Home / 19,339.90-26,668.79-14,314.66

Finding the Fourth Proportional to 19,339.90, 26,668.79 and 14,314.66

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Solution

The fourth proportional to 19,339.90, 26,668.79 and 14,314.66 is: 19,739.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,339.90 : 26,668.79 = 14,314.66 : x
  2. Step 2: Convert to fraction form
    19,339.90/26,668.79 = 14,314.66/x
  3. Step 3: Cross multiply
    19,339.90x = 26,668.79 × 14,314.66
  4. Step 4: Simplify right side
    19,339.90x = 381,754,456.54
  5. Step 5: Solve for x
    x = 381,754,456.54/19,339.90
  6. Step 6: Final answer
    x = 19,739.22

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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.