Home / 25,761.04-35,549.55-15,151.32

Finding the Fourth Proportional to 25,761.04, 35,549.55 and 15,151.32

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Solution

The fourth proportional to 25,761.04, 35,549.55 and 15,151.32 is: 20,908.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,761.04 : 35,549.55 = 15,151.32 : x
  2. Step 2: Convert to fraction form
    25,761.04/35,549.55 = 15,151.32/x
  3. Step 3: Cross multiply
    25,761.04x = 35,549.55 × 15,151.32
  4. Step 4: Simplify right side
    25,761.04x = 538,622,607.91
  5. Step 5: Solve for x
    x = 538,622,607.91/25,761.04
  6. Step 6: Final answer
    x = 20,908.42

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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.