Home / 19,472.40-26,872.29-11,514.66

Finding the Fourth Proportional to 19,472.40, 26,872.29 and 11,514.66

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Solution

The fourth proportional to 19,472.40, 26,872.29 and 11,514.66 is: 15,890.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,472.40 : 26,872.29 = 11,514.66 : x
  2. Step 2: Convert to fraction form
    19,472.40/26,872.29 = 11,514.66/x
  3. Step 3: Cross multiply
    19,472.40x = 26,872.29 × 11,514.66
  4. Step 4: Simplify right side
    19,472.40x = 309,425,282.77
  5. Step 5: Solve for x
    x = 309,425,282.77/19,472.40
  6. Step 6: Final answer
    x = 15,890.45

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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.