Home / 15,135.48-22,703.36-5,274.81

Finding the Fourth Proportional to 15,135.48, 22,703.36 and 5,274.81

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Solution

The fourth proportional to 15,135.48, 22,703.36 and 5,274.81 is: 7,912.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,135.48 : 22,703.36 = 5,274.81 : x
  2. Step 2: Convert to fraction form
    15,135.48/22,703.36 = 5,274.81/x
  3. Step 3: Cross multiply
    15,135.48x = 22,703.36 × 5,274.81
  4. Step 4: Simplify right side
    15,135.48x = 119,755,883.99
  5. Step 5: Solve for x
    x = 119,755,883.99/15,135.48
  6. Step 6: Final answer
    x = 7,912.26

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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.