Home / 13,506.06-18,616.05-9,028.18

Finding the Fourth Proportional to 13,506.06, 18,616.05 and 9,028.18

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Solution

The fourth proportional to 13,506.06, 18,616.05 and 9,028.18 is: 12,443.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,506.06 : 18,616.05 = 9,028.18 : x
  2. Step 2: Convert to fraction form
    13,506.06/18,616.05 = 9,028.18/x
  3. Step 3: Cross multiply
    13,506.06x = 18,616.05 × 9,028.18
  4. Step 4: Simplify right side
    13,506.06x = 168,068,994.24
  5. Step 5: Solve for x
    x = 168,068,994.24/13,506.06
  6. Step 6: Final answer
    x = 12,443.97

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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.