Home / 18,915.08-26,101.92-10,417.04

Finding the Fourth Proportional to 18,915.08, 26,101.92 and 10,417.04

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Solution

The fourth proportional to 18,915.08, 26,101.92 and 10,417.04 is: 14,375.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,915.08 : 26,101.92 = 10,417.04 : x
  2. Step 2: Convert to fraction form
    18,915.08/26,101.92 = 10,417.04/x
  3. Step 3: Cross multiply
    18,915.08x = 26,101.92 × 10,417.04
  4. Step 4: Simplify right side
    18,915.08x = 271,904,744.72
  5. Step 5: Solve for x
    x = 271,904,744.72/18,915.08
  6. Step 6: Final answer
    x = 14,375.02

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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.