Home / 21,675.92-32,501.68-6,882.08

Finding the Fourth Proportional to 21,675.92, 32,501.68 and 6,882.08

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Solution

The fourth proportional to 21,675.92, 32,501.68 and 6,882.08 is: 10,319.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,675.92 : 32,501.68 = 6,882.08 : x
  2. Step 2: Convert to fraction form
    21,675.92/32,501.68 = 6,882.08/x
  3. Step 3: Cross multiply
    21,675.92x = 32,501.68 × 6,882.08
  4. Step 4: Simplify right side
    21,675.92x = 223,679,161.89
  5. Step 5: Solve for x
    x = 223,679,161.89/21,675.92
  6. Step 6: Final answer
    x = 10,319.25

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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.