Home / 14,411.36-19,884.66-8,749.09

Finding the Fourth Proportional to 14,411.36, 19,884.66 and 8,749.09

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Solution

The fourth proportional to 14,411.36, 19,884.66 and 8,749.09 is: 12,071.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,411.36 : 19,884.66 = 8,749.09 : x
  2. Step 2: Convert to fraction form
    14,411.36/19,884.66 = 8,749.09/x
  3. Step 3: Cross multiply
    14,411.36x = 19,884.66 × 8,749.09
  4. Step 4: Simplify right side
    14,411.36x = 173,972,672.01
  5. Step 5: Solve for x
    x = 173,972,672.01/14,411.36
  6. Step 6: Final answer
    x = 12,071.91

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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.