Home / 26,915.26-37,143.06-15,139.26

Finding the Fourth Proportional to 26,915.26, 37,143.06 and 15,139.26

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Solution

The fourth proportional to 26,915.26, 37,143.06 and 15,139.26 is: 20,892.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,915.26 : 37,143.06 = 15,139.26 : x
  2. Step 2: Convert to fraction form
    26,915.26/37,143.06 = 15,139.26/x
  3. Step 3: Cross multiply
    26,915.26x = 37,143.06 × 15,139.26
  4. Step 4: Simplify right side
    26,915.26x = 562,318,442.54
  5. Step 5: Solve for x
    x = 562,318,442.54/26,915.26
  6. Step 6: Final answer
    x = 20,892.18

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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.