Home / 22,580.30-31,154.46-13,504.56

Finding the Fourth Proportional to 22,580.30, 31,154.46 and 13,504.56

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Solution

The fourth proportional to 22,580.30, 31,154.46 and 13,504.56 is: 18,632.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,580.30 : 31,154.46 = 13,504.56 : x
  2. Step 2: Convert to fraction form
    22,580.30/31,154.46 = 13,504.56/x
  3. Step 3: Cross multiply
    22,580.30x = 31,154.46 × 13,504.56
  4. Step 4: Simplify right side
    22,580.30x = 420,727,274.34
  5. Step 5: Solve for x
    x = 420,727,274.34/22,580.30
  6. Step 6: Final answer
    x = 18,632.50

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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.