Home / 35,411.25-53,126.00-13,224.78

Finding the Fourth Proportional to 35,411.25, 53,126.00 and 13,224.78

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Solution

The fourth proportional to 35,411.25, 53,126.00 and 13,224.78 is: 19,840.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,411.25 : 53,126.00 = 13,224.78 : x
  2. Step 2: Convert to fraction form
    35,411.25/53,126.00 = 13,224.78/x
  3. Step 3: Cross multiply
    35,411.25x = 53,126.00 × 13,224.78
  4. Step 4: Simplify right side
    35,411.25x = 702,579,596.16
  5. Step 5: Solve for x
    x = 702,579,596.16/35,411.25
  6. Step 6: Final answer
    x = 19,840.58

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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.