Home / 19,573.81-29,360.75-4,782.74

Finding the Fourth Proportional to 19,573.81, 29,360.75 and 4,782.74

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Solution

The fourth proportional to 19,573.81, 29,360.75 and 4,782.74 is: 7,174.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,573.81 : 29,360.75 = 4,782.74 : x
  2. Step 2: Convert to fraction form
    19,573.81/29,360.75 = 4,782.74/x
  3. Step 3: Cross multiply
    19,573.81x = 29,360.75 × 4,782.74
  4. Step 4: Simplify right side
    19,573.81x = 140,424,662.74
  5. Step 5: Solve for x
    x = 140,424,662.74/19,573.81
  6. Step 6: Final answer
    x = 7,174.11

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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.