Home / 14,423.36-21,616.20-7,397.42

Finding the Fourth Proportional to 14,423.36, 21,616.20 and 7,397.42

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Solution

The fourth proportional to 14,423.36, 21,616.20 and 7,397.42 is: 11,086.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,423.36 : 21,616.20 = 7,397.42 : x
  2. Step 2: Convert to fraction form
    14,423.36/21,616.20 = 7,397.42/x
  3. Step 3: Cross multiply
    14,423.36x = 21,616.20 × 7,397.42
  4. Step 4: Simplify right side
    14,423.36x = 159,904,110.20
  5. Step 5: Solve for x
    x = 159,904,110.20/14,423.36
  6. Step 6: Final answer
    x = 11,086.47

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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.