Home / 21,972.12-32,958.24-5,332.08

Finding the Fourth Proportional to 21,972.12, 32,958.24 and 5,332.08

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Solution

The fourth proportional to 21,972.12, 32,958.24 and 5,332.08 is: 7,998.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,972.12 : 32,958.24 = 5,332.08 : x
  2. Step 2: Convert to fraction form
    21,972.12/32,958.24 = 5,332.08/x
  3. Step 3: Cross multiply
    21,972.12x = 32,958.24 × 5,332.08
  4. Step 4: Simplify right side
    21,972.12x = 175,735,972.34
  5. Step 5: Solve for x
    x = 175,735,972.34/21,972.12
  6. Step 6: Final answer
    x = 7,998.13

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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.