Home / 23,129.12-34,686.50-8,336.12

Finding the Fourth Proportional to 23,129.12, 34,686.50 and 8,336.12

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Solution

The fourth proportional to 23,129.12, 34,686.50 and 8,336.12 is: 12,501.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,129.12 : 34,686.50 = 8,336.12 : x
  2. Step 2: Convert to fraction form
    23,129.12/34,686.50 = 8,336.12/x
  3. Step 3: Cross multiply
    23,129.12x = 34,686.50 × 8,336.12
  4. Step 4: Simplify right side
    23,129.12x = 289,150,681.60
  5. Step 5: Solve for x
    x = 289,150,681.60/23,129.12
  6. Step 6: Final answer
    x = 12,501.59

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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.