Home / 13,084.74-18,037.89-9,935.46

Finding the Fourth Proportional to 13,084.74, 18,037.89 and 9,935.46

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Solution

The fourth proportional to 13,084.74, 18,037.89 and 9,935.46 is: 13,696.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,084.74 : 18,037.89 = 9,935.46 : x
  2. Step 2: Convert to fraction form
    13,084.74/18,037.89 = 9,935.46/x
  3. Step 3: Cross multiply
    13,084.74x = 18,037.89 × 9,935.46
  4. Step 4: Simplify right side
    13,084.74x = 179,214,734.58
  5. Step 5: Solve for x
    x = 179,214,734.58/13,084.74
  6. Step 6: Final answer
    x = 13,696.47

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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.