Home / 13,228.56-19,815.05-10,738.13

Finding the Fourth Proportional to 13,228.56, 19,815.05 and 10,738.13

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Solution

The fourth proportional to 13,228.56, 19,815.05 and 10,738.13 is: 16,084.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,228.56 : 19,815.05 = 10,738.13 : x
  2. Step 2: Convert to fraction form
    13,228.56/19,815.05 = 10,738.13/x
  3. Step 3: Cross multiply
    13,228.56x = 19,815.05 × 10,738.13
  4. Step 4: Simplify right side
    13,228.56x = 212,776,510.63
  5. Step 5: Solve for x
    x = 212,776,510.63/13,228.56
  6. Step 6: Final answer
    x = 16,084.63

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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.