Home / 36,385.60-54,545.40-13,006.60

Finding the Fourth Proportional to 36,385.60, 54,545.40 and 13,006.60

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Solution

The fourth proportional to 36,385.60, 54,545.40 and 13,006.60 is: 19,498.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,385.60 : 54,545.40 = 13,006.60 : x
  2. Step 2: Convert to fraction form
    36,385.60/54,545.40 = 13,006.60/x
  3. Step 3: Cross multiply
    36,385.60x = 54,545.40 × 13,006.60
  4. Step 4: Simplify right side
    36,385.60x = 709,450,199.64
  5. Step 5: Solve for x
    x = 709,450,199.64/36,385.60
  6. Step 6: Final answer
    x = 19,498.10

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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.