Home / 19,115.19-26,377.47-10,617.57

Finding the Fourth Proportional to 19,115.19, 26,377.47 and 10,617.57

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Solution

The fourth proportional to 19,115.19, 26,377.47 and 10,617.57 is: 14,651.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,115.19 : 26,377.47 = 10,617.57 : x
  2. Step 2: Convert to fraction form
    19,115.19/26,377.47 = 10,617.57/x
  3. Step 3: Cross multiply
    19,115.19x = 26,377.47 × 10,617.57
  4. Step 4: Simplify right side
    19,115.19x = 280,064,634.15
  5. Step 5: Solve for x
    x = 280,064,634.15/19,115.19
  6. Step 6: Final answer
    x = 14,651.42

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Half scale
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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.