Home / 17,423.50-24,028.14-13,438.30

Finding the Fourth Proportional to 17,423.50, 24,028.14 and 13,438.30

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Solution

The fourth proportional to 17,423.50, 24,028.14 and 13,438.30 is: 18,532.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,423.50 : 24,028.14 = 13,438.30 : x
  2. Step 2: Convert to fraction form
    17,423.50/24,028.14 = 13,438.30/x
  3. Step 3: Cross multiply
    17,423.50x = 24,028.14 × 13,438.30
  4. Step 4: Simplify right side
    17,423.50x = 322,897,353.76
  5. Step 5: Solve for x
    x = 322,897,353.76/17,423.50
  6. Step 6: Final answer
    x = 18,532.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.