Home / 26,665.50-39,999.21-10,023.78

Finding the Fourth Proportional to 26,665.50, 39,999.21 and 10,023.78

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Solution

The fourth proportional to 26,665.50, 39,999.21 and 10,023.78 is: 15,036.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,665.50 : 39,999.21 = 10,023.78 : x
  2. Step 2: Convert to fraction form
    26,665.50/39,999.21 = 10,023.78/x
  3. Step 3: Cross multiply
    26,665.50x = 39,999.21 × 10,023.78
  4. Step 4: Simplify right side
    26,665.50x = 400,943,281.21
  5. Step 5: Solve for x
    x = 400,943,281.21/26,665.50
  6. Step 6: Final answer
    x = 15,036.03

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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.