Home / 14,507.24-20,023.62-8,915

Finding the Fourth Proportional to 14,507.24, 20,023.62 and 8,915

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Solution

The fourth proportional to 14,507.24, 20,023.62 and 8,915 is: 12,304.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,507.24 : 20,023.62 = 8,915 : x
  2. Step 2: Convert to fraction form
    14,507.24/20,023.62 = 8,915/x
  3. Step 3: Cross multiply
    14,507.24x = 20,023.62 × 8,915
  4. Step 4: Simplify right side
    14,507.24x = 178,510,572.30
  5. Step 5: Solve for x
    x = 178,510,572.30/14,507.24
  6. Step 6: Final answer
    x = 12,304.93

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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.