Home / 13,902.95-19,169.33-11,061.65

Finding the Fourth Proportional to 13,902.95, 19,169.33 and 11,061.65

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Solution

The fourth proportional to 13,902.95, 19,169.33 and 11,061.65 is: 15,251.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902.95 : 19,169.33 = 11,061.65 : x
  2. Step 2: Convert to fraction form
    13,902.95/19,169.33 = 11,061.65/x
  3. Step 3: Cross multiply
    13,902.95x = 19,169.33 × 11,061.65
  4. Step 4: Simplify right side
    13,902.95x = 212,044,268.04
  5. Step 5: Solve for x
    x = 212,044,268.04/13,902.95
  6. Step 6: Final answer
    x = 15,251.75

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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.