Home / 26,575.75-39,870.51-11,781.10

Finding the Fourth Proportional to 26,575.75, 39,870.51 and 11,781.10

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Solution

The fourth proportional to 26,575.75, 39,870.51 and 11,781.10 is: 17,674.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,575.75 : 39,870.51 = 11,781.10 : x
  2. Step 2: Convert to fraction form
    26,575.75/39,870.51 = 11,781.10/x
  3. Step 3: Cross multiply
    26,575.75x = 39,870.51 × 11,781.10
  4. Step 4: Simplify right side
    26,575.75x = 469,718,465.36
  5. Step 5: Solve for x
    x = 469,718,465.36/26,575.75
  6. Step 6: Final answer
    x = 17,674.70

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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.