Home / 19,191.92-26,482.46-11,125.53

Finding the Fourth Proportional to 19,191.92, 26,482.46 and 11,125.53

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Solution

The fourth proportional to 19,191.92, 26,482.46 and 11,125.53 is: 15,351.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,191.92 : 26,482.46 = 11,125.53 : x
  2. Step 2: Convert to fraction form
    19,191.92/26,482.46 = 11,125.53/x
  3. Step 3: Cross multiply
    19,191.92x = 26,482.46 × 11,125.53
  4. Step 4: Simplify right side
    19,191.92x = 294,631,347.58
  5. Step 5: Solve for x
    x = 294,631,347.58/19,191.92
  6. Step 6: Final answer
    x = 15,351.85

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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.