Home / 19,470.10-26,868.73-10,517.61

Finding the Fourth Proportional to 19,470.10, 26,868.73 and 10,517.61

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Solution

The fourth proportional to 19,470.10, 26,868.73 and 10,517.61 is: 14,514.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,470.10 : 26,868.73 = 10,517.61 : x
  2. Step 2: Convert to fraction form
    19,470.10/26,868.73 = 10,517.61/x
  3. Step 3: Cross multiply
    19,470.10x = 26,868.73 × 10,517.61
  4. Step 4: Simplify right side
    19,470.10x = 282,594,823.34
  5. Step 5: Solve for x
    x = 282,594,823.34/19,470.10
  6. Step 6: Final answer
    x = 14,514.30

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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.