Home / 15,475.44-21,356.63-8,760.93

Finding the Fourth Proportional to 15,475.44, 21,356.63 and 8,760.93

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Solution

The fourth proportional to 15,475.44, 21,356.63 and 8,760.93 is: 12,090.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,475.44 : 21,356.63 = 8,760.93 : x
  2. Step 2: Convert to fraction form
    15,475.44/21,356.63 = 8,760.93/x
  3. Step 3: Cross multiply
    15,475.44x = 21,356.63 × 8,760.93
  4. Step 4: Simplify right side
    15,475.44x = 187,103,976.75
  5. Step 5: Solve for x
    x = 187,103,976.75/15,475.44
  6. Step 6: Final answer
    x = 12,090.38

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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.