Home / 19,211.30-26,514.51-13,904.18

Finding the Fourth Proportional to 19,211.30, 26,514.51 and 13,904.18

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Solution

The fourth proportional to 19,211.30, 26,514.51 and 13,904.18 is: 19,189.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211.30 : 26,514.51 = 13,904.18 : x
  2. Step 2: Convert to fraction form
    19,211.30/26,514.51 = 13,904.18/x
  3. Step 3: Cross multiply
    19,211.30x = 26,514.51 × 13,904.18
  4. Step 4: Simplify right side
    19,211.30x = 368,662,519.65
  5. Step 5: Solve for x
    x = 368,662,519.65/19,211.30
  6. Step 6: Final answer
    x = 19,189.88

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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.