Home / 19,236.64-26,546.76-11,279.08

Finding the Fourth Proportional to 19,236.64, 26,546.76 and 11,279.08

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Solution

The fourth proportional to 19,236.64, 26,546.76 and 11,279.08 is: 15,565.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,236.64 : 26,546.76 = 11,279.08 : x
  2. Step 2: Convert to fraction form
    19,236.64/26,546.76 = 11,279.08/x
  3. Step 3: Cross multiply
    19,236.64x = 26,546.76 × 11,279.08
  4. Step 4: Simplify right side
    19,236.64x = 299,423,029.78
  5. Step 5: Solve for x
    x = 299,423,029.78/19,236.64
  6. Step 6: Final answer
    x = 15,565.25

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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.