Home / 15,985.87-22,063.32-10,022.65

Finding the Fourth Proportional to 15,985.87, 22,063.32 and 10,022.65

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Solution

The fourth proportional to 15,985.87, 22,063.32 and 10,022.65 is: 13,833.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,985.87 : 22,063.32 = 10,022.65 : x
  2. Step 2: Convert to fraction form
    15,985.87/22,063.32 = 10,022.65/x
  3. Step 3: Cross multiply
    15,985.87x = 22,063.32 × 10,022.65
  4. Step 4: Simplify right side
    15,985.87x = 221,132,823.88
  5. Step 5: Solve for x
    x = 221,132,823.88/15,985.87
  6. Step 6: Final answer
    x = 13,833.02

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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.