Home / 15,569.35-21,495.17-10,534.39

Finding the Fourth Proportional to 15,569.35, 21,495.17 and 10,534.39

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Solution

The fourth proportional to 15,569.35, 21,495.17 and 10,534.39 is: 14,543.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,569.35 : 21,495.17 = 10,534.39 : x
  2. Step 2: Convert to fraction form
    15,569.35/21,495.17 = 10,534.39/x
  3. Step 3: Cross multiply
    15,569.35x = 21,495.17 × 10,534.39
  4. Step 4: Simplify right side
    15,569.35x = 226,438,476.49
  5. Step 5: Solve for x
    x = 226,438,476.49/15,569.35
  6. Step 6: Final answer
    x = 14,543.86

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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.