Home / 19,971.93-29,962.51-5,931.65

Finding the Fourth Proportional to 19,971.93, 29,962.51 and 5,931.65

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Solution

The fourth proportional to 19,971.93, 29,962.51 and 5,931.65 is: 8,898.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,971.93 : 29,962.51 = 5,931.65 : x
  2. Step 2: Convert to fraction form
    19,971.93/29,962.51 = 5,931.65/x
  3. Step 3: Cross multiply
    19,971.93x = 29,962.51 × 5,931.65
  4. Step 4: Simplify right side
    19,971.93x = 177,727,122.44
  5. Step 5: Solve for x
    x = 177,727,122.44/19,971.93
  6. Step 6: Final answer
    x = 8,898.85

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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.