Home / 18,315.68-27,473.20-9,545.76

Finding the Fourth Proportional to 18,315.68, 27,473.20 and 9,545.76

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Solution

The fourth proportional to 18,315.68, 27,473.20 and 9,545.76 is: 14,318.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,315.68 : 27,473.20 = 9,545.76 : x
  2. Step 2: Convert to fraction form
    18,315.68/27,473.20 = 9,545.76/x
  3. Step 3: Cross multiply
    18,315.68x = 27,473.20 × 9,545.76
  4. Step 4: Simplify right side
    18,315.68x = 262,252,573.63
  5. Step 5: Solve for x
    x = 262,252,573.63/18,315.68
  6. Step 6: Final answer
    x = 14,318.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.