Home / 19,514.25-26,929.71-11,130.75

Finding the Fourth Proportional to 19,514.25, 26,929.71 and 11,130.75

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Solution

The fourth proportional to 19,514.25, 26,929.71 and 11,130.75 is: 15,360.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,514.25 : 26,929.71 = 11,130.75 : x
  2. Step 2: Convert to fraction form
    19,514.25/26,929.71 = 11,130.75/x
  3. Step 3: Cross multiply
    19,514.25x = 26,929.71 × 11,130.75
  4. Step 4: Simplify right side
    19,514.25x = 299,747,869.58
  5. Step 5: Solve for x
    x = 299,747,869.58/19,514.25
  6. Step 6: Final answer
    x = 15,360.46

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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.