Home / 15,981.24-22,057.74-10,382.52

Finding the Fourth Proportional to 15,981.24, 22,057.74 and 10,382.52

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Solution

The fourth proportional to 15,981.24, 22,057.74 and 10,382.52 is: 14,330.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,981.24 : 22,057.74 = 10,382.52 : x
  2. Step 2: Convert to fraction form
    15,981.24/22,057.74 = 10,382.52/x
  3. Step 3: Cross multiply
    15,981.24x = 22,057.74 × 10,382.52
  4. Step 4: Simplify right side
    15,981.24x = 229,014,926.70
  5. Step 5: Solve for x
    x = 229,014,926.70/15,981.24
  6. Step 6: Final answer
    x = 14,330.24

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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.