Home / 22,895.60-34,343.40-13,679.60

Finding the Fourth Proportional to 22,895.60, 34,343.40 and 13,679.60

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Solution

The fourth proportional to 22,895.60, 34,343.40 and 13,679.60 is: 20,519.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,895.60 : 34,343.40 = 13,679.60 : x
  2. Step 2: Convert to fraction form
    22,895.60/34,343.40 = 13,679.60/x
  3. Step 3: Cross multiply
    22,895.60x = 34,343.40 × 13,679.60
  4. Step 4: Simplify right side
    22,895.60x = 469,803,974.64
  5. Step 5: Solve for x
    x = 469,803,974.64/22,895.60
  6. Step 6: Final answer
    x = 20,519.40

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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.