Home / 26,655.72-39,956.82-9,113.55

Finding the Fourth Proportional to 26,655.72, 39,956.82 and 9,113.55

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Solution

The fourth proportional to 26,655.72, 39,956.82 and 9,113.55 is: 13,661.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,655.72 : 39,956.82 = 9,113.55 : x
  2. Step 2: Convert to fraction form
    26,655.72/39,956.82 = 9,113.55/x
  3. Step 3: Cross multiply
    26,655.72x = 39,956.82 × 9,113.55
  4. Step 4: Simplify right side
    26,655.72x = 364,148,476.91
  5. Step 5: Solve for x
    x = 364,148,476.91/26,655.72
  6. Step 6: Final answer
    x = 13,661.18

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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.