Home / 26,612.76-36,695.25-19,887.06

Finding the Fourth Proportional to 26,612.76, 36,695.25 and 19,887.06

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Solution

The fourth proportional to 26,612.76, 36,695.25 and 19,887.06 is: 27,421.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,612.76 : 36,695.25 = 19,887.06 : x
  2. Step 2: Convert to fraction form
    26,612.76/36,695.25 = 19,887.06/x
  3. Step 3: Cross multiply
    26,612.76x = 36,695.25 × 19,887.06
  4. Step 4: Simplify right side
    26,612.76x = 729,760,638.47
  5. Step 5: Solve for x
    x = 729,760,638.47/26,612.76
  6. Step 6: Final answer
    x = 27,421.46

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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.