Home / 13,297.20-18,329.28-9,098.16

Finding the Fourth Proportional to 13,297.20, 18,329.28 and 9,098.16

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Solution

The fourth proportional to 13,297.20, 18,329.28 and 9,098.16 is: 12,541.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297.20 : 18,329.28 = 9,098.16 : x
  2. Step 2: Convert to fraction form
    13,297.20/18,329.28 = 9,098.16/x
  3. Step 3: Cross multiply
    13,297.20x = 18,329.28 × 9,098.16
  4. Step 4: Simplify right side
    13,297.20x = 166,762,722.12
  5. Step 5: Solve for x
    x = 166,762,722.12/13,297.20
  6. Step 6: Final answer
    x = 12,541.19

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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.