Home / 17,915.02-26,872.56-6,819.16

Finding the Fourth Proportional to 17,915.02, 26,872.56 and 6,819.16

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Solution

The fourth proportional to 17,915.02, 26,872.56 and 6,819.16 is: 10,228.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,915.02 : 26,872.56 = 6,819.16 : x
  2. Step 2: Convert to fraction form
    17,915.02/26,872.56 = 6,819.16/x
  3. Step 3: Cross multiply
    17,915.02x = 26,872.56 × 6,819.16
  4. Step 4: Simplify right side
    17,915.02x = 183,248,286.25
  5. Step 5: Solve for x
    x = 183,248,286.25/17,915.02
  6. Step 6: Final answer
    x = 10,228.75

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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.