Home / 13,330.68-20,000.72-5,934.47

Finding the Fourth Proportional to 13,330.68, 20,000.72 and 5,934.47

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Solution

The fourth proportional to 13,330.68, 20,000.72 and 5,934.47 is: 8,903.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.68 : 20,000.72 = 5,934.47 : x
  2. Step 2: Convert to fraction form
    13,330.68/20,000.72 = 5,934.47/x
  3. Step 3: Cross multiply
    13,330.68x = 20,000.72 × 5,934.47
  4. Step 4: Simplify right side
    13,330.68x = 118,693,587.65
  5. Step 5: Solve for x
    x = 118,693,587.65/13,330.68
  6. Step 6: Final answer
    x = 8,903.79

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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.