Home / 20,525.65-30,790.19-5,734.71

Finding the Fourth Proportional to 20,525.65, 30,790.19 and 5,734.71

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Solution

The fourth proportional to 20,525.65, 30,790.19 and 5,734.71 is: 8,602.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,525.65 : 30,790.19 = 5,734.71 : x
  2. Step 2: Convert to fraction form
    20,525.65/30,790.19 = 5,734.71/x
  3. Step 3: Cross multiply
    20,525.65x = 30,790.19 × 5,734.71
  4. Step 4: Simplify right side
    20,525.65x = 176,572,824.83
  5. Step 5: Solve for x
    x = 176,572,824.83/20,525.65
  6. Step 6: Final answer
    x = 8,602.55

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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.