Home / 15,645.89-21,592.86-8,932.53

Finding the Fourth Proportional to 15,645.89, 21,592.86 and 8,932.53

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Solution

The fourth proportional to 15,645.89, 21,592.86 and 8,932.53 is: 12,327.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,645.89 : 21,592.86 = 8,932.53 : x
  2. Step 2: Convert to fraction form
    15,645.89/21,592.86 = 8,932.53/x
  3. Step 3: Cross multiply
    15,645.89x = 21,592.86 × 8,932.53
  4. Step 4: Simplify right side
    15,645.89x = 192,878,846.00
  5. Step 5: Solve for x
    x = 192,878,846.00/15,645.89
  6. Step 6: Final answer
    x = 12,327.76

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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.