Home / 14,373.20-19,835.28-8,707.76

Finding the Fourth Proportional to 14,373.20, 19,835.28 and 8,707.76

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Solution

The fourth proportional to 14,373.20, 19,835.28 and 8,707.76 is: 12,016.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,373.20 : 19,835.28 = 8,707.76 : x
  2. Step 2: Convert to fraction form
    14,373.20/19,835.28 = 8,707.76/x
  3. Step 3: Cross multiply
    14,373.20x = 19,835.28 × 8,707.76
  4. Step 4: Simplify right side
    14,373.20x = 172,720,857.77
  5. Step 5: Solve for x
    x = 172,720,857.77/14,373.20
  6. Step 6: Final answer
    x = 12,016.87

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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.