Home / 15,984.31-22,049.30-10,005.59

Finding the Fourth Proportional to 15,984.31, 22,049.30 and 10,005.59

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Solution

The fourth proportional to 15,984.31, 22,049.30 and 10,005.59 is: 13,802.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,984.31 : 22,049.30 = 10,005.59 : x
  2. Step 2: Convert to fraction form
    15,984.31/22,049.30 = 10,005.59/x
  3. Step 3: Cross multiply
    15,984.31x = 22,049.30 × 10,005.59
  4. Step 4: Simplify right side
    15,984.31x = 220,616,205.56
  5. Step 5: Solve for x
    x = 220,616,205.56/15,984.31
  6. Step 6: Final answer
    x = 13,802.05

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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.