Home / 22,549.58-31,108.47-13,591.79

Finding the Fourth Proportional to 22,549.58, 31,108.47 and 13,591.79

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Solution

The fourth proportional to 22,549.58, 31,108.47 and 13,591.79 is: 18,750.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,549.58 : 31,108.47 = 13,591.79 : x
  2. Step 2: Convert to fraction form
    22,549.58/31,108.47 = 13,591.79/x
  3. Step 3: Cross multiply
    22,549.58x = 31,108.47 × 13,591.79
  4. Step 4: Simplify right side
    22,549.58x = 422,819,635.92
  5. Step 5: Solve for x
    x = 422,819,635.92/22,549.58
  6. Step 6: Final answer
    x = 18,750.67

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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.