Home / 13,333.10-18,401.13-7,668.14

Finding the Fourth Proportional to 13,333.10, 18,401.13 and 7,668.14

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Solution

The fourth proportional to 13,333.10, 18,401.13 and 7,668.14 is: 10,582.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333.10 : 18,401.13 = 7,668.14 : x
  2. Step 2: Convert to fraction form
    13,333.10/18,401.13 = 7,668.14/x
  3. Step 3: Cross multiply
    13,333.10x = 18,401.13 × 7,668.14
  4. Step 4: Simplify right side
    13,333.10x = 141,102,441.00
  5. Step 5: Solve for x
    x = 141,102,441.00/13,333.10
  6. Step 6: Final answer
    x = 10,582.87

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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.