Home / 20,443.46-30,669.50-6,591.38

Finding the Fourth Proportional to 20,443.46, 30,669.50 and 6,591.38

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Solution

The fourth proportional to 20,443.46, 30,669.50 and 6,591.38 is: 9,888.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,443.46 : 30,669.50 = 6,591.38 : x
  2. Step 2: Convert to fraction form
    20,443.46/30,669.50 = 6,591.38/x
  3. Step 3: Cross multiply
    20,443.46x = 30,669.50 × 6,591.38
  4. Step 4: Simplify right side
    20,443.46x = 202,154,192.04
  5. Step 5: Solve for x
    x = 202,154,192.04/20,443.46
  6. Step 6: Final answer
    x = 9,888.46

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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.