Home / 26,487.11-39,731.55-9,611.57

Finding the Fourth Proportional to 26,487.11, 39,731.55 and 9,611.57

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Solution

The fourth proportional to 26,487.11, 39,731.55 and 9,611.57 is: 14,417.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,487.11 : 39,731.55 = 9,611.57 : x
  2. Step 2: Convert to fraction form
    26,487.11/39,731.55 = 9,611.57/x
  3. Step 3: Cross multiply
    26,487.11x = 39,731.55 × 9,611.57
  4. Step 4: Simplify right side
    26,487.11x = 381,882,637.32
  5. Step 5: Solve for x
    x = 381,882,637.32/26,487.11
  6. Step 6: Final answer
    x = 14,417.68

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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.