Home / 12,568.24-17,381.76-10,993.60

Finding the Fourth Proportional to 12,568.24, 17,381.76 and 10,993.60

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Solution

The fourth proportional to 12,568.24, 17,381.76 and 10,993.60 is: 15,204.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,568.24 : 17,381.76 = 10,993.60 : x
  2. Step 2: Convert to fraction form
    12,568.24/17,381.76 = 10,993.60/x
  3. Step 3: Cross multiply
    12,568.24x = 17,381.76 × 10,993.60
  4. Step 4: Simplify right side
    12,568.24x = 191,088,116.74
  5. Step 5: Solve for x
    x = 191,088,116.74/12,568.24
  6. Step 6: Final answer
    x = 15,204.05

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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.