Home / 15,940.74-22,001.85-10,342.02

Finding the Fourth Proportional to 15,940.74, 22,001.85 and 10,342.02

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Solution

The fourth proportional to 15,940.74, 22,001.85 and 10,342.02 is: 14,274.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,940.74 : 22,001.85 = 10,342.02 : x
  2. Step 2: Convert to fraction form
    15,940.74/22,001.85 = 10,342.02/x
  3. Step 3: Cross multiply
    15,940.74x = 22,001.85 × 10,342.02
  4. Step 4: Simplify right side
    15,940.74x = 227,543,572.74
  5. Step 5: Solve for x
    x = 227,543,572.74/15,940.74
  6. Step 6: Final answer
    x = 14,274.34

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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.