Home / 23,188.76-34,761.66-12,643.16

Finding the Fourth Proportional to 23,188.76, 34,761.66 and 12,643.16

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Solution

The fourth proportional to 23,188.76, 34,761.66 and 12,643.16 is: 18,953.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,188.76 : 34,761.66 = 12,643.16 : x
  2. Step 2: Convert to fraction form
    23,188.76/34,761.66 = 12,643.16/x
  3. Step 3: Cross multiply
    23,188.76x = 34,761.66 × 12,643.16
  4. Step 4: Simplify right side
    23,188.76x = 439,497,229.25
  5. Step 5: Solve for x
    x = 439,497,229.25/23,188.76
  6. Step 6: Final answer
    x = 18,953.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.