Home / 19,514.40-26,930.53-11,959.28

Finding the Fourth Proportional to 19,514.40, 26,930.53 and 11,959.28

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Solution

The fourth proportional to 19,514.40, 26,930.53 and 11,959.28 is: 16,504.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,514.40 : 26,930.53 = 11,959.28 : x
  2. Step 2: Convert to fraction form
    19,514.40/26,930.53 = 11,959.28/x
  3. Step 3: Cross multiply
    19,514.40x = 26,930.53 × 11,959.28
  4. Step 4: Simplify right side
    19,514.40x = 322,069,606.69
  5. Step 5: Solve for x
    x = 322,069,606.69/19,514.40
  6. Step 6: Final answer
    x = 16,504.20

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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.