Home / 26,390.91-36,410.40-15,052.25

Finding the Fourth Proportional to 26,390.91, 36,410.40 and 15,052.25

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Solution

The fourth proportional to 26,390.91, 36,410.40 and 15,052.25 is: 20,766.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,390.91 : 36,410.40 = 15,052.25 : x
  2. Step 2: Convert to fraction form
    26,390.91/36,410.40 = 15,052.25/x
  3. Step 3: Cross multiply
    26,390.91x = 36,410.40 × 15,052.25
  4. Step 4: Simplify right side
    26,390.91x = 548,058,261.35
  5. Step 5: Solve for x
    x = 548,058,261.35/26,390.91
  6. Step 6: Final answer
    x = 20,766.93

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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.