Home / 14,245.19-19,663.61-8,580.18

Finding the Fourth Proportional to 14,245.19, 19,663.61 and 8,580.18

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Solution

The fourth proportional to 14,245.19, 19,663.61 and 8,580.18 is: 11,843.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,245.19 : 19,663.61 = 8,580.18 : x
  2. Step 2: Convert to fraction form
    14,245.19/19,663.61 = 8,580.18/x
  3. Step 3: Cross multiply
    14,245.19x = 19,663.61 × 8,580.18
  4. Step 4: Simplify right side
    14,245.19x = 168,717,313.25
  5. Step 5: Solve for x
    x = 168,717,313.25/14,245.19
  6. Step 6: Final answer
    x = 11,843.81

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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.