Home / 23,107.45-31,888.30-12,497.08

Finding the Fourth Proportional to 23,107.45, 31,888.30 and 12,497.08

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Solution

The fourth proportional to 23,107.45, 31,888.30 and 12,497.08 is: 17,245.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,107.45 : 31,888.30 = 12,497.08 : x
  2. Step 2: Convert to fraction form
    23,107.45/31,888.30 = 12,497.08/x
  3. Step 3: Cross multiply
    23,107.45x = 31,888.30 × 12,497.08
  4. Step 4: Simplify right side
    23,107.45x = 398,510,804.76
  5. Step 5: Solve for x
    x = 398,510,804.76/23,107.45
  6. Step 6: Final answer
    x = 17,245.99

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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.