Home / 15,980.91-22,053.21-10,015.88

Finding the Fourth Proportional to 15,980.91, 22,053.21 and 10,015.88

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Solution

The fourth proportional to 15,980.91, 22,053.21 and 10,015.88 is: 13,821.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,980.91 : 22,053.21 = 10,015.88 : x
  2. Step 2: Convert to fraction form
    15,980.91/22,053.21 = 10,015.88/x
  3. Step 3: Cross multiply
    15,980.91x = 22,053.21 × 10,015.88
  4. Step 4: Simplify right side
    15,980.91x = 220,882,194.71
  5. Step 5: Solve for x
    x = 220,882,194.71/15,980.91
  6. Step 6: Final answer
    x = 13,821.63

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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.