Home / 25,539.50-38,344.79-13,068.13

Finding the Fourth Proportional to 25,539.50, 38,344.79 and 13,068.13

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Solution

The fourth proportional to 25,539.50, 38,344.79 and 13,068.13 is: 19,620.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,539.50 : 38,344.79 = 13,068.13 : x
  2. Step 2: Convert to fraction form
    25,539.50/38,344.79 = 13,068.13/x
  3. Step 3: Cross multiply
    25,539.50x = 38,344.79 × 13,068.13
  4. Step 4: Simplify right side
    25,539.50x = 501,094,700.54
  5. Step 5: Solve for x
    x = 501,094,700.54/25,539.50
  6. Step 6: Final answer
    x = 19,620.38

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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.