Home / 20,351.16-30,527.52-6,312.63

Finding the Fourth Proportional to 20,351.16, 30,527.52 and 6,312.63

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Solution

The fourth proportional to 20,351.16, 30,527.52 and 6,312.63 is: 9,469.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,351.16 : 30,527.52 = 6,312.63 : x
  2. Step 2: Convert to fraction form
    20,351.16/30,527.52 = 6,312.63/x
  3. Step 3: Cross multiply
    20,351.16x = 30,527.52 × 6,312.63
  4. Step 4: Simplify right side
    20,351.16x = 192,708,938.58
  5. Step 5: Solve for x
    x = 192,708,938.58/20,351.16
  6. Step 6: Final answer
    x = 9,469.19

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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.