Home / 20,232.16-30,341.68-7,751.52

Finding the Fourth Proportional to 20,232.16, 30,341.68 and 7,751.52

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Solution

The fourth proportional to 20,232.16, 30,341.68 and 7,751.52 is: 11,624.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,232.16 : 30,341.68 = 7,751.52 : x
  2. Step 2: Convert to fraction form
    20,232.16/30,341.68 = 7,751.52/x
  3. Step 3: Cross multiply
    20,232.16x = 30,341.68 × 7,751.52
  4. Step 4: Simplify right side
    20,232.16x = 235,194,139.35
  5. Step 5: Solve for x
    x = 235,194,139.35/20,232.16
  6. Step 6: Final answer
    x = 11,624.77

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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.