Home / 19,418.37-29,064.91-10,045.49

Finding the Fourth Proportional to 19,418.37, 29,064.91 and 10,045.49

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Solution

The fourth proportional to 19,418.37, 29,064.91 and 10,045.49 is: 15,035.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,418.37 : 29,064.91 = 10,045.49 : x
  2. Step 2: Convert to fraction form
    19,418.37/29,064.91 = 10,045.49/x
  3. Step 3: Cross multiply
    19,418.37x = 29,064.91 × 10,045.49
  4. Step 4: Simplify right side
    19,418.37x = 291,971,129.99
  5. Step 5: Solve for x
    x = 291,971,129.99/19,418.37
  6. Step 6: Final answer
    x = 15,035.82

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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.