Home / 13,562.59-18,718.37-8,256.41

Finding the Fourth Proportional to 13,562.59, 18,718.37 and 8,256.41

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Solution

The fourth proportional to 13,562.59, 18,718.37 and 8,256.41 is: 11,395.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,562.59 : 18,718.37 = 8,256.41 : x
  2. Step 2: Convert to fraction form
    13,562.59/18,718.37 = 8,256.41/x
  3. Step 3: Cross multiply
    13,562.59x = 18,718.37 × 8,256.41
  4. Step 4: Simplify right side
    13,562.59x = 154,546,585.60
  5. Step 5: Solve for x
    x = 154,546,585.60/13,562.59
  6. Step 6: Final answer
    x = 11,395.06

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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.