Home / 14,035.38-21,053.16-9,639.51

Finding the Fourth Proportional to 14,035.38, 21,053.16 and 9,639.51

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Solution

The fourth proportional to 14,035.38, 21,053.16 and 9,639.51 is: 14,459.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,035.38 : 21,053.16 = 9,639.51 : x
  2. Step 2: Convert to fraction form
    14,035.38/21,053.16 = 9,639.51/x
  3. Step 3: Cross multiply
    14,035.38x = 21,053.16 × 9,639.51
  4. Step 4: Simplify right side
    14,035.38x = 202,942,146.35
  5. Step 5: Solve for x
    x = 202,942,146.35/14,035.38
  6. Step 6: Final answer
    x = 14,459.33

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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.