Home / 14,788.52-20,407.90-8,073.96

Finding the Fourth Proportional to 14,788.52, 20,407.90 and 8,073.96

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Solution

The fourth proportional to 14,788.52, 20,407.90 and 8,073.96 is: 11,141.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,788.52 : 20,407.90 = 8,073.96 : x
  2. Step 2: Convert to fraction form
    14,788.52/20,407.90 = 8,073.96/x
  3. Step 3: Cross multiply
    14,788.52x = 20,407.90 × 8,073.96
  4. Step 4: Simplify right side
    14,788.52x = 164,772,568.28
  5. Step 5: Solve for x
    x = 164,772,568.28/14,788.52
  6. Step 6: Final answer
    x = 11,141.92

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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.