Home / 14,981.40-22,472.10-12,162.60

Finding the Fourth Proportional to 14,981.40, 22,472.10 and 12,162.60

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Solution

The fourth proportional to 14,981.40, 22,472.10 and 12,162.60 is: 18,243.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,981.40 : 22,472.10 = 12,162.60 : x
  2. Step 2: Convert to fraction form
    14,981.40/22,472.10 = 12,162.60/x
  3. Step 3: Cross multiply
    14,981.40x = 22,472.10 × 12,162.60
  4. Step 4: Simplify right side
    14,981.40x = 273,319,163.46
  5. Step 5: Solve for x
    x = 273,319,163.46/14,981.40
  6. Step 6: Final answer
    x = 18,243.90

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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.