Home / 14,280.03-19,706.43-7,992.41

Finding the Fourth Proportional to 14,280.03, 19,706.43 and 7,992.41

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Solution

The fourth proportional to 14,280.03, 19,706.43 and 7,992.41 is: 11,029.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,280.03 : 19,706.43 = 7,992.41 : x
  2. Step 2: Convert to fraction form
    14,280.03/19,706.43 = 7,992.41/x
  3. Step 3: Cross multiply
    14,280.03x = 19,706.43 × 7,992.41
  4. Step 4: Simplify right side
    14,280.03x = 157,501,769.66
  5. Step 5: Solve for x
    x = 157,501,769.66/14,280.03
  6. Step 6: Final answer
    x = 11,029.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.