Home / 20,354.19-30,527.76-6,122.46

Finding the Fourth Proportional to 20,354.19, 30,527.76 and 6,122.46

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Solution

The fourth proportional to 20,354.19, 30,527.76 and 6,122.46 is: 9,182.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,354.19 : 30,527.76 = 6,122.46 : x
  2. Step 2: Convert to fraction form
    20,354.19/30,527.76 = 6,122.46/x
  3. Step 3: Cross multiply
    20,354.19x = 30,527.76 × 6,122.46
  4. Step 4: Simplify right side
    20,354.19x = 186,904,989.49
  5. Step 5: Solve for x
    x = 186,904,989.49/20,354.19
  6. Step 6: Final answer
    x = 9,182.63

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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.