Home / 16,772.40-25,158.60-11,242.80

Finding the Fourth Proportional to 16,772.40, 25,158.60 and 11,242.80

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Solution

The fourth proportional to 16,772.40, 25,158.60 and 11,242.80 is: 16,864.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,772.40 : 25,158.60 = 11,242.80 : x
  2. Step 2: Convert to fraction form
    16,772.40/25,158.60 = 11,242.80/x
  3. Step 3: Cross multiply
    16,772.40x = 25,158.60 × 11,242.80
  4. Step 4: Simplify right side
    16,772.40x = 282,853,108.08
  5. Step 5: Solve for x
    x = 282,853,108.08/16,772.40
  6. Step 6: Final answer
    x = 16,864.20

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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.