Home / 22,885.20-34,349.40-14,137.20

Finding the Fourth Proportional to 22,885.20, 34,349.40 and 14,137.20

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Solution

The fourth proportional to 22,885.20, 34,349.40 and 14,137.20 is: 21,219.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,885.20 : 34,349.40 = 14,137.20 : x
  2. Step 2: Convert to fraction form
    22,885.20/34,349.40 = 14,137.20/x
  3. Step 3: Cross multiply
    22,885.20x = 34,349.40 × 14,137.20
  4. Step 4: Simplify right side
    22,885.20x = 485,604,337.68
  5. Step 5: Solve for x
    x = 485,604,337.68/22,885.20
  6. Step 6: Final answer
    x = 21,219.14

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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.