Home / 15,949.60-22,004.40-10,283.20

Finding the Fourth Proportional to 15,949.60, 22,004.40 and 10,283.20

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Solution

The fourth proportional to 15,949.60, 22,004.40 and 10,283.20 is: 14,186.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,949.60 : 22,004.40 = 10,283.20 : x
  2. Step 2: Convert to fraction form
    15,949.60/22,004.40 = 10,283.20/x
  3. Step 3: Cross multiply
    15,949.60x = 22,004.40 × 10,283.20
  4. Step 4: Simplify right side
    15,949.60x = 226,275,646.08
  5. Step 5: Solve for x
    x = 226,275,646.08/15,949.60
  6. Step 6: Final answer
    x = 14,186.92

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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.