Home / 15,048.03-20,760.71-9,745.77

Finding the Fourth Proportional to 15,048.03, 20,760.71 and 9,745.77

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Solution

The fourth proportional to 15,048.03, 20,760.71 and 9,745.77 is: 13,445.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,048.03 : 20,760.71 = 9,745.77 : x
  2. Step 2: Convert to fraction form
    15,048.03/20,760.71 = 9,745.77/x
  3. Step 3: Cross multiply
    15,048.03x = 20,760.71 × 9,745.77
  4. Step 4: Simplify right side
    15,048.03x = 202,329,055.97
  5. Step 5: Solve for x
    x = 202,329,055.97/15,048.03
  6. Step 6: Final answer
    x = 13,445.55

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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.