Home / 26,545.93-39,786.09-13,402.06

Finding the Fourth Proportional to 26,545.93, 39,786.09 and 13,402.06

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Solution

The fourth proportional to 26,545.93, 39,786.09 and 13,402.06 is: 20,086.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,545.93 : 39,786.09 = 13,402.06 : x
  2. Step 2: Convert to fraction form
    26,545.93/39,786.09 = 13,402.06/x
  3. Step 3: Cross multiply
    26,545.93x = 39,786.09 × 13,402.06
  4. Step 4: Simplify right side
    26,545.93x = 533,215,565.35
  5. Step 5: Solve for x
    x = 533,215,565.35/26,545.93
  6. Step 6: Final answer
    x = 20,086.53

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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.