Home / 19,470.45-26,869.20-10,517.96

Finding the Fourth Proportional to 19,470.45, 26,869.20 and 10,517.96

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Solution

The fourth proportional to 19,470.45, 26,869.20 and 10,517.96 is: 14,514.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,470.45 : 26,869.20 = 10,517.96 : x
  2. Step 2: Convert to fraction form
    19,470.45/26,869.20 = 10,517.96/x
  3. Step 3: Cross multiply
    19,470.45x = 26,869.20 × 10,517.96
  4. Step 4: Simplify right side
    19,470.45x = 282,609,036.49
  5. Step 5: Solve for x
    x = 282,609,036.49/19,470.45
  6. Step 6: Final answer
    x = 14,514.77

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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.