Home / 21,700.12-32,550.18-20,592.04

Finding the Fourth Proportional to 21,700.12, 32,550.18 and 20,592.04

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Solution

The fourth proportional to 21,700.12, 32,550.18 and 20,592.04 is: 30,888.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,700.12 : 32,550.18 = 20,592.04 : x
  2. Step 2: Convert to fraction form
    21,700.12/32,550.18 = 20,592.04/x
  3. Step 3: Cross multiply
    21,700.12x = 32,550.18 × 20,592.04
  4. Step 4: Simplify right side
    21,700.12x = 670,274,608.57
  5. Step 5: Solve for x
    x = 670,274,608.57/21,700.12
  6. Step 6: Final answer
    x = 30,888.06

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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.