Home / 17,886.35-24,670.34-11,078.17

Finding the Fourth Proportional to 17,886.35, 24,670.34 and 11,078.17

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Solution

The fourth proportional to 17,886.35, 24,670.34 and 11,078.17 is: 15,279.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,886.35 : 24,670.34 = 11,078.17 : x
  2. Step 2: Convert to fraction form
    17,886.35/24,670.34 = 11,078.17/x
  3. Step 3: Cross multiply
    17,886.35x = 24,670.34 × 11,078.17
  4. Step 4: Simplify right side
    17,886.35x = 273,302,144.95
  5. Step 5: Solve for x
    x = 273,302,144.95/17,886.35
  6. Step 6: Final answer
    x = 15,279.93

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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.