Home / 26,597.40-39,863.70-19,663.80

Finding the Fourth Proportional to 26,597.40, 39,863.70 and 19,663.80

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Solution

The fourth proportional to 26,597.40, 39,863.70 and 19,663.80 is: 29,471.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,597.40 : 39,863.70 = 19,663.80 : x
  2. Step 2: Convert to fraction form
    26,597.40/39,863.70 = 19,663.80/x
  3. Step 3: Cross multiply
    26,597.40x = 39,863.70 × 19,663.80
  4. Step 4: Simplify right side
    26,597.40x = 783,871,824.06
  5. Step 5: Solve for x
    x = 783,871,824.06/26,597.40
  6. Step 6: Final answer
    x = 29,471.75

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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.