Home / 13,334.93-18,401.00-7,668.17

Finding the Fourth Proportional to 13,334.93, 18,401.00 and 7,668.17

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Solution

The fourth proportional to 13,334.93, 18,401.00 and 7,668.17 is: 10,581.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.93 : 18,401.00 = 7,668.17 : x
  2. Step 2: Convert to fraction form
    13,334.93/18,401.00 = 7,668.17/x
  3. Step 3: Cross multiply
    13,334.93x = 18,401.00 × 7,668.17
  4. Step 4: Simplify right side
    13,334.93x = 141,101,865.82
  5. Step 5: Solve for x
    x = 141,101,865.82/13,334.93
  6. Step 6: Final answer
    x = 10,581.38

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Half scale
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Double scale
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Similar ratio
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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.