Home / 13,383.62-18,466.28-8,005.01

Finding the Fourth Proportional to 13,383.62, 18,466.28 and 8,005.01

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Solution

The fourth proportional to 13,383.62, 18,466.28 and 8,005.01 is: 11,045.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,383.62 : 18,466.28 = 8,005.01 : x
  2. Step 2: Convert to fraction form
    13,383.62/18,466.28 = 8,005.01/x
  3. Step 3: Cross multiply
    13,383.62x = 18,466.28 × 8,005.01
  4. Step 4: Simplify right side
    13,383.62x = 147,822,623.71
  5. Step 5: Solve for x
    x = 147,822,623.71/13,383.62
  6. Step 6: Final answer
    x = 11,045.04

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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.