Home / 25,753.80-35,541.10-15,144.42

Finding the Fourth Proportional to 25,753.80, 35,541.10 and 15,144.42

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Solution

The fourth proportional to 25,753.80, 35,541.10 and 15,144.42 is: 20,899.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,753.80 : 35,541.10 = 15,144.42 : x
  2. Step 2: Convert to fraction form
    25,753.80/35,541.10 = 15,144.42/x
  3. Step 3: Cross multiply
    25,753.80x = 35,541.10 × 15,144.42
  4. Step 4: Simplify right side
    25,753.80x = 538,249,345.66
  5. Step 5: Solve for x
    x = 538,249,345.66/25,753.80
  6. Step 6: Final answer
    x = 20,899.80

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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.