Home / 14,607.38-20,155.35-8,943.42

Finding the Fourth Proportional to 14,607.38, 20,155.35 and 8,943.42

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Solution

The fourth proportional to 14,607.38, 20,155.35 and 8,943.42 is: 12,340.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,607.38 : 20,155.35 = 8,943.42 : x
  2. Step 2: Convert to fraction form
    14,607.38/20,155.35 = 8,943.42/x
  3. Step 3: Cross multiply
    14,607.38x = 20,155.35 × 8,943.42
  4. Step 4: Simplify right side
    14,607.38x = 180,257,760.30
  5. Step 5: Solve for x
    x = 180,257,760.30/14,607.38
  6. Step 6: Final answer
    x = 12,340.18

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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.