Home / 14,734.55-20,334.11-8,020.61

Finding the Fourth Proportional to 14,734.55, 20,334.11 and 8,020.61

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Solution

The fourth proportional to 14,734.55, 20,334.11 and 8,020.61 is: 11,068.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,734.55 : 20,334.11 = 8,020.61 : x
  2. Step 2: Convert to fraction form
    14,734.55/20,334.11 = 8,020.61/x
  3. Step 3: Cross multiply
    14,734.55x = 20,334.11 × 8,020.61
  4. Step 4: Simplify right side
    14,734.55x = 163,091,966.01
  5. Step 5: Solve for x
    x = 163,091,966.01/14,734.55
  6. Step 6: Final answer
    x = 11,068.68

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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.