Home / 26,502.99-36,535.59-18,520.44

Finding the Fourth Proportional to 26,502.99, 36,535.59 and 18,520.44

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Solution

The fourth proportional to 26,502.99, 36,535.59 and 18,520.44 is: 25,531.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,502.99 : 36,535.59 = 18,520.44 : x
  2. Step 2: Convert to fraction form
    26,502.99/36,535.59 = 18,520.44/x
  3. Step 3: Cross multiply
    26,502.99x = 36,535.59 × 18,520.44
  4. Step 4: Simplify right side
    26,502.99x = 676,655,202.46
  5. Step 5: Solve for x
    x = 676,655,202.46/26,502.99
  6. Step 6: Final answer
    x = 25,531.28

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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.