Home / 20,292.41-28,126.28-19,124.42

Finding the Fourth Proportional to 20,292.41, 28,126.28 and 19,124.42

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Solution

The fourth proportional to 20,292.41, 28,126.28 and 19,124.42 is: 26,507.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,292.41 : 28,126.28 = 19,124.42 : x
  2. Step 2: Convert to fraction form
    20,292.41/28,126.28 = 19,124.42/x
  3. Step 3: Cross multiply
    20,292.41x = 28,126.28 × 19,124.42
  4. Step 4: Simplify right side
    20,292.41x = 537,898,698.94
  5. Step 5: Solve for x
    x = 537,898,698.94/20,292.41
  6. Step 6: Final answer
    x = 26,507.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.