Home / 15,924.08-21,972.12-10,882.64

Finding the Fourth Proportional to 15,924.08, 21,972.12 and 10,882.64

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Solution

The fourth proportional to 15,924.08, 21,972.12 and 10,882.64 is: 15,015.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,924.08 : 21,972.12 = 10,882.64 : x
  2. Step 2: Convert to fraction form
    15,924.08/21,972.12 = 10,882.64/x
  3. Step 3: Cross multiply
    15,924.08x = 21,972.12 × 10,882.64
  4. Step 4: Simplify right side
    15,924.08x = 239,114,672.00
  5. Step 5: Solve for x
    x = 239,114,672.00/15,924.08
  6. Step 6: Final answer
    x = 15,015.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.