Home / 26,172.51-39,243.85-17,862.59

Finding the Fourth Proportional to 26,172.51, 39,243.85 and 17,862.59

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Solution

The fourth proportional to 26,172.51, 39,243.85 and 17,862.59 is: 26,783.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,172.51 : 39,243.85 = 17,862.59 : x
  2. Step 2: Convert to fraction form
    26,172.51/39,243.85 = 17,862.59/x
  3. Step 3: Cross multiply
    26,172.51x = 39,243.85 × 17,862.59
  4. Step 4: Simplify right side
    26,172.51x = 700,996,775.84
  5. Step 5: Solve for x
    x = 700,996,775.84/26,172.51
  6. Step 6: Final answer
    x = 26,783.70

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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.