Home / 14,077.61-21,119.43-5,192.97

Finding the Fourth Proportional to 14,077.61, 21,119.43 and 5,192.97

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Solution

The fourth proportional to 14,077.61, 21,119.43 and 5,192.97 is: 7,790.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,077.61 : 21,119.43 = 5,192.97 : x
  2. Step 2: Convert to fraction form
    14,077.61/21,119.43 = 5,192.97/x
  3. Step 3: Cross multiply
    14,077.61x = 21,119.43 × 5,192.97
  4. Step 4: Simplify right side
    14,077.61x = 109,672,566.41
  5. Step 5: Solve for x
    x = 109,672,566.41/14,077.61
  6. Step 6: Final answer
    x = 7,790.57

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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.