Home / 18,987.76-26,203.52-10,604.24

Finding the Fourth Proportional to 18,987.76, 26,203.52 and 10,604.24

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Solution

The fourth proportional to 18,987.76, 26,203.52 and 10,604.24 is: 14,634.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,987.76 : 26,203.52 = 10,604.24 : x
  2. Step 2: Convert to fraction form
    18,987.76/26,203.52 = 10,604.24/x
  3. Step 3: Cross multiply
    18,987.76x = 26,203.52 × 10,604.24
  4. Step 4: Simplify right side
    18,987.76x = 277,868,414.92
  5. Step 5: Solve for x
    x = 277,868,414.92/18,987.76
  6. Step 6: Final answer
    x = 14,634.08

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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.