Home / 24,750.90-34,156.68-13,420.77

Finding the Fourth Proportional to 24,750.90, 34,156.68 and 13,420.77

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Solution

The fourth proportional to 24,750.90, 34,156.68 and 13,420.77 is: 18,520.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,750.90 : 34,156.68 = 13,420.77 : x
  2. Step 2: Convert to fraction form
    24,750.90/34,156.68 = 13,420.77/x
  3. Step 3: Cross multiply
    24,750.90x = 34,156.68 × 13,420.77
  4. Step 4: Simplify right side
    24,750.90x = 458,408,946.24
  5. Step 5: Solve for x
    x = 458,408,946.24/24,750.90
  6. Step 6: Final answer
    x = 18,520.90

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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.