Home / 22,719.52-31,353.06-13,286.08

Finding the Fourth Proportional to 22,719.52, 31,353.06 and 13,286.08

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Solution

The fourth proportional to 22,719.52, 31,353.06 and 13,286.08 is: 18,334.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,719.52 : 31,353.06 = 13,286.08 : x
  2. Step 2: Convert to fraction form
    22,719.52/31,353.06 = 13,286.08/x
  3. Step 3: Cross multiply
    22,719.52x = 31,353.06 × 13,286.08
  4. Step 4: Simplify right side
    22,719.52x = 416,559,263.40
  5. Step 5: Solve for x
    x = 416,559,263.40/22,719.52
  6. Step 6: Final answer
    x = 18,334.86

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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.