Home / 14,161.79-21,231.06-9,707.14

Finding the Fourth Proportional to 14,161.79, 21,231.06 and 9,707.14

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Solution

The fourth proportional to 14,161.79, 21,231.06 and 9,707.14 is: 14,552.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,161.79 : 21,231.06 = 9,707.14 : x
  2. Step 2: Convert to fraction form
    14,161.79/21,231.06 = 9,707.14/x
  3. Step 3: Cross multiply
    14,161.79x = 21,231.06 × 9,707.14
  4. Step 4: Simplify right side
    14,161.79x = 206,092,916.51
  5. Step 5: Solve for x
    x = 206,092,916.51/14,161.79
  6. Step 6: Final answer
    x = 14,552.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.