Home / 19,792.03-29,680.61-6,461.91

Finding the Fourth Proportional to 19,792.03, 29,680.61 and 6,461.91

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Solution

The fourth proportional to 19,792.03, 29,680.61 and 6,461.91 is: 9,690.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,792.03 : 29,680.61 = 6,461.91 : x
  2. Step 2: Convert to fraction form
    19,792.03/29,680.61 = 6,461.91/x
  3. Step 3: Cross multiply
    19,792.03x = 29,680.61 × 6,461.91
  4. Step 4: Simplify right side
    19,792.03x = 191,793,430.57
  5. Step 5: Solve for x
    x = 191,793,430.57/19,792.03
  6. Step 6: Final answer
    x = 9,690.44

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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.