Home / 20,537.42-30,806.12-4,955.04

Finding the Fourth Proportional to 20,537.42, 30,806.12 and 4,955.04

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Solution

The fourth proportional to 20,537.42, 30,806.12 and 4,955.04 is: 7,432.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,537.42 : 30,806.12 = 4,955.04 : x
  2. Step 2: Convert to fraction form
    20,537.42/30,806.12 = 4,955.04/x
  3. Step 3: Cross multiply
    20,537.42x = 30,806.12 × 4,955.04
  4. Step 4: Simplify right side
    20,537.42x = 152,645,569.23
  5. Step 5: Solve for x
    x = 152,645,569.23/20,537.42
  6. Step 6: Final answer
    x = 7,432.56

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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.