Home / 19,117.06-26,408.13-18,182.92

Finding the Fourth Proportional to 19,117.06, 26,408.13 and 18,182.92

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Solution

The fourth proportional to 19,117.06, 26,408.13 and 18,182.92 is: 25,117.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,117.06 : 26,408.13 = 18,182.92 : x
  2. Step 2: Convert to fraction form
    19,117.06/26,408.13 = 18,182.92/x
  3. Step 3: Cross multiply
    19,117.06x = 26,408.13 × 18,182.92
  4. Step 4: Simplify right side
    19,117.06x = 480,176,915.14
  5. Step 5: Solve for x
    x = 480,176,915.14/19,117.06
  6. Step 6: Final answer
    x = 25,117.72

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Half scale
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Double scale
Find fourth proportional to 19,118.06, 26,409.51 and 18,183.92
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.