Home / 19,868.38-29,781.81-14,595.55

Finding the Fourth Proportional to 19,868.38, 29,781.81 and 14,595.55

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Solution

The fourth proportional to 19,868.38, 29,781.81 and 14,595.55 is: 21,878.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,868.38 : 29,781.81 = 14,595.55 : x
  2. Step 2: Convert to fraction form
    19,868.38/29,781.81 = 14,595.55/x
  3. Step 3: Cross multiply
    19,868.38x = 29,781.81 × 14,595.55
  4. Step 4: Simplify right side
    19,868.38x = 434,681,822.49
  5. Step 5: Solve for x
    x = 434,681,822.49/19,868.38
  6. Step 6: Final answer
    x = 21,878.07

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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.