Home / 15,141.12-22,722.12-5,280.48

Finding the Fourth Proportional to 15,141.12, 22,722.12 and 5,280.48

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Solution

The fourth proportional to 15,141.12, 22,722.12 and 5,280.48 is: 7,924.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,141.12 : 22,722.12 = 5,280.48 : x
  2. Step 2: Convert to fraction form
    15,141.12/22,722.12 = 5,280.48/x
  3. Step 3: Cross multiply
    15,141.12x = 22,722.12 × 5,280.48
  4. Step 4: Simplify right side
    15,141.12x = 119,983,700.22
  5. Step 5: Solve for x
    x = 119,983,700.22/15,141.12
  6. Step 6: Final answer
    x = 7,924.36

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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.