Home / 20,445.12-30,667.68-6,594.12

Finding the Fourth Proportional to 20,445.12, 30,667.68 and 6,594.12

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Solution

The fourth proportional to 20,445.12, 30,667.68 and 6,594.12 is: 9,891.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,445.12 : 30,667.68 = 6,594.12 : x
  2. Step 2: Convert to fraction form
    20,445.12/30,667.68 = 6,594.12/x
  3. Step 3: Cross multiply
    20,445.12x = 30,667.68 × 6,594.12
  4. Step 4: Simplify right side
    20,445.12x = 202,226,362.04
  5. Step 5: Solve for x
    x = 202,226,362.04/20,445.12
  6. Step 6: Final answer
    x = 9,891.18

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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.