Home / 19,861.98-29,792.94-5,070.90

Finding the Fourth Proportional to 19,861.98, 29,792.94 and 5,070.90

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Solution

The fourth proportional to 19,861.98, 29,792.94 and 5,070.90 is: 7,606.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,861.98 : 29,792.94 = 5,070.90 : x
  2. Step 2: Convert to fraction form
    19,861.98/29,792.94 = 5,070.90/x
  3. Step 3: Cross multiply
    19,861.98x = 29,792.94 × 5,070.90
  4. Step 4: Simplify right side
    19,861.98x = 151,077,019.45
  5. Step 5: Solve for x
    x = 151,077,019.45/19,861.98
  6. Step 6: Final answer
    x = 7,606.34

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1.5x scale

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.