Home / 26,123.84-39,177.48-8,589.60

Finding the Fourth Proportional to 26,123.84, 39,177.48 and 8,589.60

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Solution

The fourth proportional to 26,123.84, 39,177.48 and 8,589.60 is: 12,881.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,123.84 : 39,177.48 = 8,589.60 : x
  2. Step 2: Convert to fraction form
    26,123.84/39,177.48 = 8,589.60/x
  3. Step 3: Cross multiply
    26,123.84x = 39,177.48 × 8,589.60
  4. Step 4: Simplify right side
    26,123.84x = 336,518,882.21
  5. Step 5: Solve for x
    x = 336,518,882.21/26,123.84
  6. Step 6: Final answer
    x = 12,881.68

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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.