Home / 15,647.29-21,592.90-8,932.76

Finding the Fourth Proportional to 15,647.29, 21,592.90 and 8,932.76

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Solution

The fourth proportional to 15,647.29, 21,592.90 and 8,932.76 is: 12,327.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,647.29 : 21,592.90 = 8,932.76 : x
  2. Step 2: Convert to fraction form
    15,647.29/21,592.90 = 8,932.76/x
  3. Step 3: Cross multiply
    15,647.29x = 21,592.90 × 8,932.76
  4. Step 4: Simplify right side
    15,647.29x = 192,884,063.11
  5. Step 5: Solve for x
    x = 192,884,063.11/15,647.29
  6. Step 6: Final answer
    x = 12,327.00

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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.