Home / 19,970.75-29,962.10-5,931.23

Finding the Fourth Proportional to 19,970.75, 29,962.10 and 5,931.23

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Solution

The fourth proportional to 19,970.75, 29,962.10 and 5,931.23 is: 8,898.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,970.75 : 29,962.10 = 5,931.23 : x
  2. Step 2: Convert to fraction form
    19,970.75/29,962.10 = 5,931.23/x
  3. Step 3: Cross multiply
    19,970.75x = 29,962.10 × 5,931.23
  4. Step 4: Simplify right side
    19,970.75x = 177,711,926.92
  5. Step 5: Solve for x
    x = 177,711,926.92/19,970.75
  6. Step 6: Final answer
    x = 8,898.61

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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.