Home / 14,750.61-22,129.56-6,432.09

Finding the Fourth Proportional to 14,750.61, 22,129.56 and 6,432.09

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Solution

The fourth proportional to 14,750.61, 22,129.56 and 6,432.09 is: 9,649.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,750.61 : 22,129.56 = 6,432.09 : x
  2. Step 2: Convert to fraction form
    14,750.61/22,129.56 = 6,432.09/x
  3. Step 3: Cross multiply
    14,750.61x = 22,129.56 × 6,432.09
  4. Step 4: Simplify right side
    14,750.61x = 142,339,321.58
  5. Step 5: Solve for x
    x = 142,339,321.58/14,750.61
  6. Step 6: Final answer
    x = 9,649.72

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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.