Home / 25,042.50-34,560.81-13,866.66

Finding the Fourth Proportional to 25,042.50, 34,560.81 and 13,866.66

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Solution

The fourth proportional to 25,042.50, 34,560.81 and 13,866.66 is: 19,137.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,042.50 : 34,560.81 = 13,866.66 : x
  2. Step 2: Convert to fraction form
    25,042.50/34,560.81 = 13,866.66/x
  3. Step 3: Cross multiply
    25,042.50x = 34,560.81 × 13,866.66
  4. Step 4: Simplify right side
    25,042.50x = 479,243,001.59
  5. Step 5: Solve for x
    x = 479,243,001.59/25,042.50
  6. Step 6: Final answer
    x = 19,137.19

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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.