Home / 15,727.31-23,579.51-7,402.70

Finding the Fourth Proportional to 15,727.31, 23,579.51 and 7,402.70

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Solution

The fourth proportional to 15,727.31, 23,579.51 and 7,402.70 is: 11,098.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,727.31 : 23,579.51 = 7,402.70 : x
  2. Step 2: Convert to fraction form
    15,727.31/23,579.51 = 7,402.70/x
  3. Step 3: Cross multiply
    15,727.31x = 23,579.51 × 7,402.70
  4. Step 4: Simplify right side
    15,727.31x = 174,552,038.68
  5. Step 5: Solve for x
    x = 174,552,038.68/15,727.31
  6. Step 6: Final answer
    x = 11,098.66

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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.