Home / 14,963.40-22,445.10-13,699.80

Finding the Fourth Proportional to 14,963.40, 22,445.10 and 13,699.80

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Solution

The fourth proportional to 14,963.40, 22,445.10 and 13,699.80 is: 20,549.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,963.40 : 22,445.10 = 13,699.80 : x
  2. Step 2: Convert to fraction form
    14,963.40/22,445.10 = 13,699.80/x
  3. Step 3: Cross multiply
    14,963.40x = 22,445.10 × 13,699.80
  4. Step 4: Simplify right side
    14,963.40x = 307,493,380.98
  5. Step 5: Solve for x
    x = 307,493,380.98/14,963.40
  6. Step 6: Final answer
    x = 20,549.70

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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.