Home / 26,660.52-36,798.65-15,331.26

Finding the Fourth Proportional to 26,660.52, 36,798.65 and 15,331.26

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Solution

The fourth proportional to 26,660.52, 36,798.65 and 15,331.26 is: 21,161.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,660.52 : 36,798.65 = 15,331.26 : x
  2. Step 2: Convert to fraction form
    26,660.52/36,798.65 = 15,331.26/x
  3. Step 3: Cross multiply
    26,660.52x = 36,798.65 × 15,331.26
  4. Step 4: Simplify right side
    26,660.52x = 564,169,594.14
  5. Step 5: Solve for x
    x = 564,169,594.14/26,660.52
  6. Step 6: Final answer
    x = 21,161.24

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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.