Home / 18,661.34-25,752.66-11,587.76

Finding the Fourth Proportional to 18,661.34, 25,752.66 and 11,587.76

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Solution

The fourth proportional to 18,661.34, 25,752.66 and 11,587.76 is: 15,991.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,661.34 : 25,752.66 = 11,587.76 : x
  2. Step 2: Convert to fraction form
    18,661.34/25,752.66 = 11,587.76/x
  3. Step 3: Cross multiply
    18,661.34x = 25,752.66 × 11,587.76
  4. Step 4: Simplify right side
    18,661.34x = 298,415,643.44
  5. Step 5: Solve for x
    x = 298,415,643.44/18,661.34
  6. Step 6: Final answer
    x = 15,991.12

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Double scale
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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.