Home / 26,759.36-40,138.16-12,726.08

Finding the Fourth Proportional to 26,759.36, 40,138.16 and 12,726.08

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Solution

The fourth proportional to 26,759.36, 40,138.16 and 12,726.08 is: 19,088.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,759.36 : 40,138.16 = 12,726.08 : x
  2. Step 2: Convert to fraction form
    26,759.36/40,138.16 = 12,726.08/x
  3. Step 3: Cross multiply
    26,759.36x = 40,138.16 × 12,726.08
  4. Step 4: Simplify right side
    26,759.36x = 510,801,435.21
  5. Step 5: Solve for x
    x = 510,801,435.21/26,759.36
  6. Step 6: Final answer
    x = 19,088.70

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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.