Home / 22,568.45-31,145.63-12,497.99

Finding the Fourth Proportional to 22,568.45, 31,145.63 and 12,497.99

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Solution

The fourth proportional to 22,568.45, 31,145.63 and 12,497.99 is: 17,247.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,568.45 : 31,145.63 = 12,497.99 : x
  2. Step 2: Convert to fraction form
    22,568.45/31,145.63 = 12,497.99/x
  3. Step 3: Cross multiply
    22,568.45x = 31,145.63 × 12,497.99
  4. Step 4: Simplify right side
    22,568.45x = 389,257,554.07
  5. Step 5: Solve for x
    x = 389,257,554.07/22,568.45
  6. Step 6: Final answer
    x = 17,247.87

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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.