Home / 22,836.78-31,515.93-13,882.80

Finding the Fourth Proportional to 22,836.78, 31,515.93 and 13,882.80

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Solution

The fourth proportional to 22,836.78, 31,515.93 and 13,882.80 is: 19,158.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,836.78 : 31,515.93 = 13,882.80 : x
  2. Step 2: Convert to fraction form
    22,836.78/31,515.93 = 13,882.80/x
  3. Step 3: Cross multiply
    22,836.78x = 31,515.93 × 13,882.80
  4. Step 4: Simplify right side
    22,836.78x = 437,529,353.00
  5. Step 5: Solve for x
    x = 437,529,353.00/22,836.78
  6. Step 6: Final answer
    x = 19,158.98

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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.