Home / 26,031.11-35,920.72-15,274.87

Finding the Fourth Proportional to 26,031.11, 35,920.72 and 15,274.87

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Solution

The fourth proportional to 26,031.11, 35,920.72 and 15,274.87 is: 21,078.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,031.11 : 35,920.72 = 15,274.87 : x
  2. Step 2: Convert to fraction form
    26,031.11/35,920.72 = 15,274.87/x
  3. Step 3: Cross multiply
    26,031.11x = 35,920.72 × 15,274.87
  4. Step 4: Simplify right side
    26,031.11x = 548,684,328.31
  5. Step 5: Solve for x
    x = 548,684,328.31/26,031.11
  6. Step 6: Final answer
    x = 21,078.02

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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.