Home / 15,042.70-22,557.84-5,681.13

Finding the Fourth Proportional to 15,042.70, 22,557.84 and 5,681.13

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Solution

The fourth proportional to 15,042.70, 22,557.84 and 5,681.13 is: 8,519.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,042.70 : 22,557.84 = 5,681.13 : x
  2. Step 2: Convert to fraction form
    15,042.70/22,557.84 = 5,681.13/x
  3. Step 3: Cross multiply
    15,042.70x = 22,557.84 × 5,681.13
  4. Step 4: Simplify right side
    15,042.70x = 128,153,908.77
  5. Step 5: Solve for x
    x = 128,153,908.77/15,042.70
  6. Step 6: Final answer
    x = 8,519.34

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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.