Home / 26,645.12-39,972-10,007.36

Finding the Fourth Proportional to 26,645.12, 39,972 and 10,007.36

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Solution

The fourth proportional to 26,645.12, 39,972 and 10,007.36 is: 15,012.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,645.12 : 39,972 = 10,007.36 : x
  2. Step 2: Convert to fraction form
    26,645.12/39,972 = 10,007.36/x
  3. Step 3: Cross multiply
    26,645.12x = 39,972 × 10,007.36
  4. Step 4: Simplify right side
    26,645.12x = 400,014,193.92
  5. Step 5: Solve for x
    x = 400,014,193.92/26,645.12
  6. Step 6: Final answer
    x = 15,012.66

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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.