Home / 19,901.41-27,452.55-12,436.45

Finding the Fourth Proportional to 19,901.41, 27,452.55 and 12,436.45

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Solution

The fourth proportional to 19,901.41, 27,452.55 and 12,436.45 is: 17,155.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,901.41 : 27,452.55 = 12,436.45 : x
  2. Step 2: Convert to fraction form
    19,901.41/27,452.55 = 12,436.45/x
  3. Step 3: Cross multiply
    19,901.41x = 27,452.55 × 12,436.45
  4. Step 4: Simplify right side
    19,901.41x = 341,412,292.94
  5. Step 5: Solve for x
    x = 341,412,292.94/19,901.41
  6. Step 6: Final answer
    x = 17,155.18

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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.