Home / 23,255.12-34,883.64-12,155.60

Finding the Fourth Proportional to 23,255.12, 34,883.64 and 12,155.60

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Solution

The fourth proportional to 23,255.12, 34,883.64 and 12,155.60 is: 18,233.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,255.12 : 34,883.64 = 12,155.60 : x
  2. Step 2: Convert to fraction form
    23,255.12/34,883.64 = 12,155.60/x
  3. Step 3: Cross multiply
    23,255.12x = 34,883.64 × 12,155.60
  4. Step 4: Simplify right side
    23,255.12x = 424,031,574.38
  5. Step 5: Solve for x
    x = 424,031,574.38/23,255.12
  6. Step 6: Final answer
    x = 18,233.90

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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.