Home / 20,926.40-31,350.02-16,223.39

Finding the Fourth Proportional to 20,926.40, 31,350.02 and 16,223.39

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Solution

The fourth proportional to 20,926.40, 31,350.02 and 16,223.39 is: 24,304.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,926.40 : 31,350.02 = 16,223.39 : x
  2. Step 2: Convert to fraction form
    20,926.40/31,350.02 = 16,223.39/x
  3. Step 3: Cross multiply
    20,926.40x = 31,350.02 × 16,223.39
  4. Step 4: Simplify right side
    20,926.40x = 508,603,363.10
  5. Step 5: Solve for x
    x = 508,603,363.10/20,926.40
  6. Step 6: Final answer
    x = 24,304.39

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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.