Home / 15,061.44-20,795.16-11,518.48

Finding the Fourth Proportional to 15,061.44, 20,795.16 and 11,518.48

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Solution

The fourth proportional to 15,061.44, 20,795.16 and 11,518.48 is: 15,903.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,061.44 : 20,795.16 = 11,518.48 : x
  2. Step 2: Convert to fraction form
    15,061.44/20,795.16 = 11,518.48/x
  3. Step 3: Cross multiply
    15,061.44x = 20,795.16 × 11,518.48
  4. Step 4: Simplify right side
    15,061.44x = 239,528,634.56
  5. Step 5: Solve for x
    x = 239,528,634.56/15,061.44
  6. Step 6: Final answer
    x = 15,903.44

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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.