Home / 19,405.29-29,113.28-7,726.71

Finding the Fourth Proportional to 19,405.29, 29,113.28 and 7,726.71

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Solution

The fourth proportional to 19,405.29, 29,113.28 and 7,726.71 is: 11,592.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,405.29 : 29,113.28 = 7,726.71 : x
  2. Step 2: Convert to fraction form
    19,405.29/29,113.28 = 7,726.71/x
  3. Step 3: Cross multiply
    19,405.29x = 29,113.28 × 7,726.71
  4. Step 4: Simplify right side
    19,405.29x = 224,949,871.71
  5. Step 5: Solve for x
    x = 224,949,871.71/19,405.29
  6. Step 6: Final answer
    x = 11,592.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.