Home / 15,625.31-21,592.47-11,841.69

Finding the Fourth Proportional to 15,625.31, 21,592.47 and 11,841.69

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Solution

The fourth proportional to 15,625.31, 21,592.47 and 11,841.69 is: 16,363.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,625.31 : 21,592.47 = 11,841.69 : x
  2. Step 2: Convert to fraction form
    15,625.31/21,592.47 = 11,841.69/x
  3. Step 3: Cross multiply
    15,625.31x = 21,592.47 × 11,841.69
  4. Step 4: Simplify right side
    15,625.31x = 255,691,461.45
  5. Step 5: Solve for x
    x = 255,691,461.45/15,625.31
  6. Step 6: Final answer
    x = 16,363.93

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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.