Home / 23,049.24-31,807.87-12,977.72

Finding the Fourth Proportional to 23,049.24, 31,807.87 and 12,977.72

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Solution

The fourth proportional to 23,049.24, 31,807.87 and 12,977.72 is: 17,909.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,049.24 : 31,807.87 = 12,977.72 : x
  2. Step 2: Convert to fraction form
    23,049.24/31,807.87 = 12,977.72/x
  3. Step 3: Cross multiply
    23,049.24x = 31,807.87 × 12,977.72
  4. Step 4: Simplify right side
    23,049.24x = 412,793,642.43
  5. Step 5: Solve for x
    x = 412,793,642.43/23,049.24
  6. Step 6: Final answer
    x = 17,909.21

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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.