Home / 17,370.65-23,971.39-9,819.43

Finding the Fourth Proportional to 17,370.65, 23,971.39 and 9,819.43

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Solution

The fourth proportional to 17,370.65, 23,971.39 and 9,819.43 is: 13,550.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,370.65 : 23,971.39 = 9,819.43 : x
  2. Step 2: Convert to fraction form
    17,370.65/23,971.39 = 9,819.43/x
  3. Step 3: Cross multiply
    17,370.65x = 23,971.39 × 9,819.43
  4. Step 4: Simplify right side
    17,370.65x = 235,385,386.11
  5. Step 5: Solve for x
    x = 235,385,386.11/17,370.65
  6. Step 6: Final answer
    x = 13,550.75

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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.