Home / 19,026.72-28,548.54-10,251.42

Finding the Fourth Proportional to 19,026.72, 28,548.54 and 10,251.42

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Solution

The fourth proportional to 19,026.72, 28,548.54 and 10,251.42 is: 15,381.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,026.72 : 28,548.54 = 10,251.42 : x
  2. Step 2: Convert to fraction form
    19,026.72/28,548.54 = 10,251.42/x
  3. Step 3: Cross multiply
    19,026.72x = 28,548.54 × 10,251.42
  4. Step 4: Simplify right side
    19,026.72x = 292,663,073.93
  5. Step 5: Solve for x
    x = 292,663,073.93/19,026.72
  6. Step 6: Final answer
    x = 15,381.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.