Home / 25,112.38-34,653.93-13,781.62

Finding the Fourth Proportional to 25,112.38, 34,653.93 and 13,781.62

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Solution

The fourth proportional to 25,112.38, 34,653.93 and 13,781.62 is: 19,018.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,112.38 : 34,653.93 = 13,781.62 : x
  2. Step 2: Convert to fraction form
    25,112.38/34,653.93 = 13,781.62/x
  3. Step 3: Cross multiply
    25,112.38x = 34,653.93 × 13,781.62
  4. Step 4: Simplify right side
    25,112.38x = 477,587,294.77
  5. Step 5: Solve for x
    x = 477,587,294.77/25,112.38
  6. Step 6: Final answer
    x = 19,018.00

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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.