Home / 14,981.40-22,472.10-6,660.36

Finding the Fourth Proportional to 14,981.40, 22,472.10 and 6,660.36

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Solution

The fourth proportional to 14,981.40, 22,472.10 and 6,660.36 is: 9,990.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,981.40 : 22,472.10 = 6,660.36 : x
  2. Step 2: Convert to fraction form
    14,981.40/22,472.10 = 6,660.36/x
  3. Step 3: Cross multiply
    14,981.40x = 22,472.10 × 6,660.36
  4. Step 4: Simplify right side
    14,981.40x = 149,672,275.96
  5. Step 5: Solve for x
    x = 149,672,275.96/14,981.40
  6. Step 6: Final answer
    x = 9,990.54

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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.