Home / 25,133.39-34,681.69-15,059.96

Finding the Fourth Proportional to 25,133.39, 34,681.69 and 15,059.96

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Solution

The fourth proportional to 25,133.39, 34,681.69 and 15,059.96 is: 20,781.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,133.39 : 34,681.69 = 15,059.96 : x
  2. Step 2: Convert to fraction form
    25,133.39/34,681.69 = 15,059.96/x
  3. Step 3: Cross multiply
    25,133.39x = 34,681.69 × 15,059.96
  4. Step 4: Simplify right side
    25,133.39x = 522,304,864.13
  5. Step 5: Solve for x
    x = 522,304,864.13/25,133.39
  6. Step 6: Final answer
    x = 20,781.31

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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.