Home / 26,545.03-39,842.16-13,406.62

Finding the Fourth Proportional to 26,545.03, 39,842.16 and 13,406.62

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Solution

The fourth proportional to 26,545.03, 39,842.16 and 13,406.62 is: 20,122.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,545.03 : 39,842.16 = 13,406.62 : x
  2. Step 2: Convert to fraction form
    26,545.03/39,842.16 = 13,406.62/x
  3. Step 3: Cross multiply
    26,545.03x = 39,842.16 × 13,406.62
  4. Step 4: Simplify right side
    26,545.03x = 534,148,699.10
  5. Step 5: Solve for x
    x = 534,148,699.10/26,545.03
  6. Step 6: Final answer
    x = 20,122.36

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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.