Home / 23,184.90-31,995.41-13,113.45

Finding the Fourth Proportional to 23,184.90, 31,995.41 and 13,113.45

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Solution

The fourth proportional to 23,184.90, 31,995.41 and 13,113.45 is: 18,096.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,184.90 : 31,995.41 = 13,113.45 : x
  2. Step 2: Convert to fraction form
    23,184.90/31,995.41 = 13,113.45/x
  3. Step 3: Cross multiply
    23,184.90x = 31,995.41 × 13,113.45
  4. Step 4: Simplify right side
    23,184.90x = 419,570,143.70
  5. Step 5: Solve for x
    x = 419,570,143.70/23,184.90
  6. Step 6: Final answer
    x = 18,096.70

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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.