Home / 19,775.56-29,661.13-4,984.47

Finding the Fourth Proportional to 19,775.56, 29,661.13 and 4,984.47

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Solution

The fourth proportional to 19,775.56, 29,661.13 and 4,984.47 is: 7,476.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,775.56 : 29,661.13 = 4,984.47 : x
  2. Step 2: Convert to fraction form
    19,775.56/29,661.13 = 4,984.47/x
  3. Step 3: Cross multiply
    19,775.56x = 29,661.13 × 4,984.47
  4. Step 4: Simplify right side
    19,775.56x = 147,845,012.65
  5. Step 5: Solve for x
    x = 147,845,012.65/19,775.56
  6. Step 6: Final answer
    x = 7,476.15

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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.