Home / 17,628.32-26,442.48-7,248.80

Finding the Fourth Proportional to 17,628.32, 26,442.48 and 7,248.80

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Solution

The fourth proportional to 17,628.32, 26,442.48 and 7,248.80 is: 10,873.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,628.32 : 26,442.48 = 7,248.80 : x
  2. Step 2: Convert to fraction form
    17,628.32/26,442.48 = 7,248.80/x
  3. Step 3: Cross multiply
    17,628.32x = 26,442.48 × 7,248.80
  4. Step 4: Simplify right side
    17,628.32x = 191,676,249.02
  5. Step 5: Solve for x
    x = 191,676,249.02/17,628.32
  6. Step 6: Final answer
    x = 10,873.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.