Home / 17,915.09-26,872.59-4,767.46

Finding the Fourth Proportional to 17,915.09, 26,872.59 and 4,767.46

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Solution

The fourth proportional to 17,915.09, 26,872.59 and 4,767.46 is: 7,151.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,915.09 : 26,872.59 = 4,767.46 : x
  2. Step 2: Convert to fraction form
    17,915.09/26,872.59 = 4,767.46/x
  3. Step 3: Cross multiply
    17,915.09x = 26,872.59 × 4,767.46
  4. Step 4: Simplify right side
    17,915.09x = 128,113,997.92
  5. Step 5: Solve for x
    x = 128,113,997.92/17,915.09
  6. Step 6: Final answer
    x = 7,151.18

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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.