Home / 19,861.64-29,792.42-5,070.57

Finding the Fourth Proportional to 19,861.64, 29,792.42 and 5,070.57

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Solution

The fourth proportional to 19,861.64, 29,792.42 and 5,070.57 is: 7,605.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,861.64 : 29,792.42 = 5,070.57 : x
  2. Step 2: Convert to fraction form
    19,861.64/29,792.42 = 5,070.57/x
  3. Step 3: Cross multiply
    19,861.64x = 29,792.42 × 5,070.57
  4. Step 4: Simplify right side
    19,861.64x = 151,064,461.54
  5. Step 5: Solve for x
    x = 151,064,461.54/19,861.64
  6. Step 6: Final answer
    x = 7,605.84

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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.