Home / 26,490.79-36,560.79-17,086.69

Finding the Fourth Proportional to 26,490.79, 36,560.79 and 17,086.69

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Solution

The fourth proportional to 26,490.79, 36,560.79 and 17,086.69 is: 23,581.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,490.79 : 36,560.79 = 17,086.69 : x
  2. Step 2: Convert to fraction form
    26,490.79/36,560.79 = 17,086.69/x
  3. Step 3: Cross multiply
    26,490.79x = 36,560.79 × 17,086.69
  4. Step 4: Simplify right side
    26,490.79x = 624,702,884.89
  5. Step 5: Solve for x
    x = 624,702,884.89/26,490.79
  6. Step 6: Final answer
    x = 23,581.89

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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.