Home / 25,454.36-38,142.56-10,655.22

Finding the Fourth Proportional to 25,454.36, 38,142.56 and 10,655.22

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Solution

The fourth proportional to 25,454.36, 38,142.56 and 10,655.22 is: 15,966.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,454.36 : 38,142.56 = 10,655.22 : x
  2. Step 2: Convert to fraction form
    25,454.36/38,142.56 = 10,655.22/x
  3. Step 3: Cross multiply
    25,454.36x = 38,142.56 × 10,655.22
  4. Step 4: Simplify right side
    25,454.36x = 406,417,368.16
  5. Step 5: Solve for x
    x = 406,417,368.16/25,454.36
  6. Step 6: Final answer
    x = 15,966.51

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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.