Home / 18,843.13-26,003.41-10,345.40

Finding the Fourth Proportional to 18,843.13, 26,003.41 and 10,345.40

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Solution

The fourth proportional to 18,843.13, 26,003.41 and 10,345.40 is: 14,276.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,843.13 : 26,003.41 = 10,345.40 : x
  2. Step 2: Convert to fraction form
    18,843.13/26,003.41 = 10,345.40/x
  3. Step 3: Cross multiply
    18,843.13x = 26,003.41 × 10,345.40
  4. Step 4: Simplify right side
    18,843.13x = 269,015,521.93
  5. Step 5: Solve for x
    x = 269,015,521.93/18,843.13
  6. Step 6: Final answer
    x = 14,276.59

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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.