Home / 14,955.40-22,433.10-12,221.65

Finding the Fourth Proportional to 14,955.40, 22,433.10 and 12,221.65

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Solution

The fourth proportional to 14,955.40, 22,433.10 and 12,221.65 is: 18,332.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,955.40 : 22,433.10 = 12,221.65 : x
  2. Step 2: Convert to fraction form
    14,955.40/22,433.10 = 12,221.65/x
  3. Step 3: Cross multiply
    14,955.40x = 22,433.10 × 12,221.65
  4. Step 4: Simplify right side
    14,955.40x = 274,169,496.62
  5. Step 5: Solve for x
    x = 274,169,496.62/14,955.40
  6. Step 6: Final answer
    x = 18,332.48

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Similar ratio
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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.