Home / 19,686.35-27,193.08-14,592.18

Finding the Fourth Proportional to 19,686.35, 27,193.08 and 14,592.18

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Solution

The fourth proportional to 19,686.35, 27,193.08 and 14,592.18 is: 20,156.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,686.35 : 27,193.08 = 14,592.18 : x
  2. Step 2: Convert to fraction form
    19,686.35/27,193.08 = 14,592.18/x
  3. Step 3: Cross multiply
    19,686.35x = 27,193.08 × 14,592.18
  4. Step 4: Simplify right side
    19,686.35x = 396,806,318.11
  5. Step 5: Solve for x
    x = 396,806,318.11/19,686.35
  6. Step 6: Final answer
    x = 20,156.42

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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.