Home / 14,455.92-21,660.41-7,426.18

Finding the Fourth Proportional to 14,455.92, 21,660.41 and 7,426.18

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Solution

The fourth proportional to 14,455.92, 21,660.41 and 7,426.18 is: 11,127.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,455.92 : 21,660.41 = 7,426.18 : x
  2. Step 2: Convert to fraction form
    14,455.92/21,660.41 = 7,426.18/x
  3. Step 3: Cross multiply
    14,455.92x = 21,660.41 × 7,426.18
  4. Step 4: Simplify right side
    14,455.92x = 160,854,149.17
  5. Step 5: Solve for x
    x = 160,854,149.17/14,455.92
  6. Step 6: Final answer
    x = 11,127.22

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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.