Home / 19,412.38-26,788.96-10,914.47

Finding the Fourth Proportional to 19,412.38, 26,788.96 and 10,914.47

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Solution

The fourth proportional to 19,412.38, 26,788.96 and 10,914.47 is: 15,061.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,412.38 : 26,788.96 = 10,914.47 : x
  2. Step 2: Convert to fraction form
    19,412.38/26,788.96 = 10,914.47/x
  3. Step 3: Cross multiply
    19,412.38x = 26,788.96 × 10,914.47
  4. Step 4: Simplify right side
    19,412.38x = 292,387,300.25
  5. Step 5: Solve for x
    x = 292,387,300.25/19,412.38
  6. Step 6: Final answer
    x = 15,061.90

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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.