Home / 19,915.46-27,482.45-10,963.54

Finding the Fourth Proportional to 19,915.46, 27,482.45 and 10,963.54

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Solution

The fourth proportional to 19,915.46, 27,482.45 and 10,963.54 is: 15,129.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,915.46 : 27,482.45 = 10,963.54 : x
  2. Step 2: Convert to fraction form
    19,915.46/27,482.45 = 10,963.54/x
  3. Step 3: Cross multiply
    19,915.46x = 27,482.45 × 10,963.54
  4. Step 4: Simplify right side
    19,915.46x = 301,304,939.87
  5. Step 5: Solve for x
    x = 301,304,939.87/19,915.46
  6. Step 6: Final answer
    x = 15,129.20

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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.