Home / 15,048.99-20,760.70-9,745.51

Finding the Fourth Proportional to 15,048.99, 20,760.70 and 9,745.51

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Solution

The fourth proportional to 15,048.99, 20,760.70 and 9,745.51 is: 13,444.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,048.99 : 20,760.70 = 9,745.51 : x
  2. Step 2: Convert to fraction form
    15,048.99/20,760.70 = 9,745.51/x
  3. Step 3: Cross multiply
    15,048.99x = 20,760.70 × 9,745.51
  4. Step 4: Simplify right side
    15,048.99x = 202,323,609.46
  5. Step 5: Solve for x
    x = 202,323,609.46/15,048.99
  6. Step 6: Final answer
    x = 13,444.33

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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.