Home / 13,388.16-18,466.99-10,551.13

Finding the Fourth Proportional to 13,388.16, 18,466.99 and 10,551.13

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Solution

The fourth proportional to 13,388.16, 18,466.99 and 10,551.13 is: 14,553.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,388.16 : 18,466.99 = 10,551.13 : x
  2. Step 2: Convert to fraction form
    13,388.16/18,466.99 = 10,551.13/x
  3. Step 3: Cross multiply
    13,388.16x = 18,466.99 × 10,551.13
  4. Step 4: Simplify right side
    13,388.16x = 194,847,612.20
  5. Step 5: Solve for x
    x = 194,847,612.20/13,388.16
  6. Step 6: Final answer
    x = 14,553.73

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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.