Home / 19,587.12-27,034.92-11,208.48

Finding the Fourth Proportional to 19,587.12, 27,034.92 and 11,208.48

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Solution

The fourth proportional to 19,587.12, 27,034.92 and 11,208.48 is: 15,470.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,587.12 : 27,034.92 = 11,208.48 : x
  2. Step 2: Convert to fraction form
    19,587.12/27,034.92 = 11,208.48/x
  3. Step 3: Cross multiply
    19,587.12x = 27,034.92 × 11,208.48
  4. Step 4: Simplify right side
    19,587.12x = 303,020,360.12
  5. Step 5: Solve for x
    x = 303,020,360.12/19,587.12
  6. Step 6: Final answer
    x = 15,470.39

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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.