Home / 22,927.86-31,659.12-18,679.55

Finding the Fourth Proportional to 22,927.86, 31,659.12 and 18,679.55

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Solution

The fourth proportional to 22,927.86, 31,659.12 and 18,679.55 is: 25,792.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,927.86 : 31,659.12 = 18,679.55 : x
  2. Step 2: Convert to fraction form
    22,927.86/31,659.12 = 18,679.55/x
  3. Step 3: Cross multiply
    22,927.86x = 31,659.12 × 18,679.55
  4. Step 4: Simplify right side
    22,927.86x = 591,377,956.70
  5. Step 5: Solve for x
    x = 591,377,956.70/22,927.86
  6. Step 6: Final answer
    x = 25,792.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.