Home / 23,287.72-34,931.96-12,965.08

Finding the Fourth Proportional to 23,287.72, 34,931.96 and 12,965.08

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Solution

The fourth proportional to 23,287.72, 34,931.96 and 12,965.08 is: 19,447.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,287.72 : 34,931.96 = 12,965.08 : x
  2. Step 2: Convert to fraction form
    23,287.72/34,931.96 = 12,965.08/x
  3. Step 3: Cross multiply
    23,287.72x = 34,931.96 × 12,965.08
  4. Step 4: Simplify right side
    23,287.72x = 452,895,655.96
  5. Step 5: Solve for x
    x = 452,895,655.96/23,287.72
  6. Step 6: Final answer
    x = 19,447.83

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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.