Home / 19,526.84-26,947.50-11,144.12

Finding the Fourth Proportional to 19,526.84, 26,947.50 and 11,144.12

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Solution

The fourth proportional to 19,526.84, 26,947.50 and 11,144.12 is: 15,379.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,526.84 : 26,947.50 = 11,144.12 : x
  2. Step 2: Convert to fraction form
    19,526.84/26,947.50 = 11,144.12/x
  3. Step 3: Cross multiply
    19,526.84x = 26,947.50 × 11,144.12
  4. Step 4: Simplify right side
    19,526.84x = 300,306,173.70
  5. Step 5: Solve for x
    x = 300,306,173.70/19,526.84
  6. Step 6: Final answer
    x = 15,379.15

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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.