Home / 20,756.04-31,133.22-5,964.90

Finding the Fourth Proportional to 20,756.04, 31,133.22 and 5,964.90

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Solution

The fourth proportional to 20,756.04, 31,133.22 and 5,964.90 is: 8,947.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,756.04 : 31,133.22 = 5,964.90 : x
  2. Step 2: Convert to fraction form
    20,756.04/31,133.22 = 5,964.90/x
  3. Step 3: Cross multiply
    20,756.04x = 31,133.22 × 5,964.90
  4. Step 4: Simplify right side
    20,756.04x = 185,706,543.98
  5. Step 5: Solve for x
    x = 185,706,543.98/20,756.04
  6. Step 6: Final answer
    x = 8,947.11

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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.