Home / 19,867.06-29,814.36-7,398.46

Finding the Fourth Proportional to 19,867.06, 29,814.36 and 7,398.46

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Solution

The fourth proportional to 19,867.06, 29,814.36 and 7,398.46 is: 11,102.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,867.06 : 29,814.36 = 7,398.46 : x
  2. Step 2: Convert to fraction form
    19,867.06/29,814.36 = 7,398.46/x
  3. Step 3: Cross multiply
    19,867.06x = 29,814.36 × 7,398.46
  4. Step 4: Simplify right side
    19,867.06x = 220,580,349.89
  5. Step 5: Solve for x
    x = 220,580,349.89/19,867.06
  6. Step 6: Final answer
    x = 11,102.82

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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.