Home / 14,432.60-21,649.05-5,072.88

Finding the Fourth Proportional to 14,432.60, 21,649.05 and 5,072.88

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Solution

The fourth proportional to 14,432.60, 21,649.05 and 5,072.88 is: 7,609.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,432.60 : 21,649.05 = 5,072.88 : x
  2. Step 2: Convert to fraction form
    14,432.60/21,649.05 = 5,072.88/x
  3. Step 3: Cross multiply
    14,432.60x = 21,649.05 × 5,072.88
  4. Step 4: Simplify right side
    14,432.60x = 109,823,032.76
  5. Step 5: Solve for x
    x = 109,823,032.76/14,432.60
  6. Step 6: Final answer
    x = 7,609.38

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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.