Home / 20,742.46-31,113.63-5,951.02

Finding the Fourth Proportional to 20,742.46, 31,113.63 and 5,951.02

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Solution

The fourth proportional to 20,742.46, 31,113.63 and 5,951.02 is: 8,926.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,742.46 : 31,113.63 = 5,951.02 : x
  2. Step 2: Convert to fraction form
    20,742.46/31,113.63 = 5,951.02/x
  3. Step 3: Cross multiply
    20,742.46x = 31,113.63 × 5,951.02
  4. Step 4: Simplify right side
    20,742.46x = 185,157,834.40
  5. Step 5: Solve for x
    x = 185,157,834.40/20,742.46
  6. Step 6: Final answer
    x = 8,926.51

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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.