Home / 23,427.85-32,330.73-12,817.66

Finding the Fourth Proportional to 23,427.85, 32,330.73 and 12,817.66

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Solution

The fourth proportional to 23,427.85, 32,330.73 and 12,817.66 is: 17,688.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,427.85 : 32,330.73 = 12,817.66 : x
  2. Step 2: Convert to fraction form
    23,427.85/32,330.73 = 12,817.66/x
  3. Step 3: Cross multiply
    23,427.85x = 32,330.73 × 12,817.66
  4. Step 4: Simplify right side
    23,427.85x = 414,404,304.69
  5. Step 5: Solve for x
    x = 414,404,304.69/23,427.85
  6. Step 6: Final answer
    x = 17,688.53

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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.