Home / 26,552.08-36,639.80-15,221.44

Finding the Fourth Proportional to 26,552.08, 36,639.80 and 15,221.44

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Solution

The fourth proportional to 26,552.08, 36,639.80 and 15,221.44 is: 21,004.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,552.08 : 36,639.80 = 15,221.44 : x
  2. Step 2: Convert to fraction form
    26,552.08/36,639.80 = 15,221.44/x
  3. Step 3: Cross multiply
    26,552.08x = 36,639.80 × 15,221.44
  4. Step 4: Simplify right side
    26,552.08x = 557,710,517.31
  5. Step 5: Solve for x
    x = 557,710,517.31/26,552.08
  6. Step 6: Final answer
    x = 21,004.40

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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.