Home / 18,894.44-26,085.14-12,529.69

Finding the Fourth Proportional to 18,894.44, 26,085.14 and 12,529.69

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Solution

The fourth proportional to 18,894.44, 26,085.14 and 12,529.69 is: 17,298.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,894.44 : 26,085.14 = 12,529.69 : x
  2. Step 2: Convert to fraction form
    18,894.44/26,085.14 = 12,529.69/x
  3. Step 3: Cross multiply
    18,894.44x = 26,085.14 × 12,529.69
  4. Step 4: Simplify right side
    18,894.44x = 326,838,589.95
  5. Step 5: Solve for x
    x = 326,838,589.95/18,894.44
  6. Step 6: Final answer
    x = 17,298.13

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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.