Home / 14,724.20-20,319.10-8,010

Finding the Fourth Proportional to 14,724.20, 20,319.10 and 8,010

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Solution

The fourth proportional to 14,724.20, 20,319.10 and 8,010 is: 11,053.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,724.20 : 20,319.10 = 8,010 : x
  2. Step 2: Convert to fraction form
    14,724.20/20,319.10 = 8,010/x
  3. Step 3: Cross multiply
    14,724.20x = 20,319.10 × 8,010
  4. Step 4: Simplify right side
    14,724.20x = 162,755,970.98
  5. Step 5: Solve for x
    x = 162,755,970.98/14,724.20
  6. Step 6: Final answer
    x = 11,053.64

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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.