Home / 17,915.16-26,841.96-13,974.24

Finding the Fourth Proportional to 17,915.16, 26,841.96 and 13,974.24

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Solution

The fourth proportional to 17,915.16, 26,841.96 and 13,974.24 is: 20,937.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,915.16 : 26,841.96 = 13,974.24 : x
  2. Step 2: Convert to fraction form
    17,915.16/26,841.96 = 13,974.24/x
  3. Step 3: Cross multiply
    17,915.16x = 26,841.96 × 13,974.24
  4. Step 4: Simplify right side
    17,915.16x = 375,095,991.11
  5. Step 5: Solve for x
    x = 375,095,991.11/17,915.16
  6. Step 6: Final answer
    x = 20,937.35

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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.