Home / 23,116.59-31,904.24-15,170.67

Finding the Fourth Proportional to 23,116.59, 31,904.24 and 15,170.67

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Solution

The fourth proportional to 23,116.59, 31,904.24 and 15,170.67 is: 20,937.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,116.59 : 31,904.24 = 15,170.67 : x
  2. Step 2: Convert to fraction form
    23,116.59/31,904.24 = 15,170.67/x
  3. Step 3: Cross multiply
    23,116.59x = 31,904.24 × 15,170.67
  4. Step 4: Simplify right side
    23,116.59x = 484,008,620.79
  5. Step 5: Solve for x
    x = 484,008,620.79/23,116.59
  6. Step 6: Final answer
    x = 20,937.72

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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.