Home / 18,477.05-25,494.55-10,517.18

Finding the Fourth Proportional to 18,477.05, 25,494.55 and 10,517.18

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Solution

The fourth proportional to 18,477.05, 25,494.55 and 10,517.18 is: 14,511.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477.05 : 25,494.55 = 10,517.18 : x
  2. Step 2: Convert to fraction form
    18,477.05/25,494.55 = 10,517.18/x
  3. Step 3: Cross multiply
    18,477.05x = 25,494.55 × 10,517.18
  4. Step 4: Simplify right side
    18,477.05x = 268,130,617.60
  5. Step 5: Solve for x
    x = 268,130,617.60/18,477.05
  6. Step 6: Final answer
    x = 14,511.55

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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.