Home / 14,740.52-20,342.34-8,454.12

Finding the Fourth Proportional to 14,740.52, 20,342.34 and 8,454.12

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Solution

The fourth proportional to 14,740.52, 20,342.34 and 8,454.12 is: 11,666.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,740.52 : 20,342.34 = 8,454.12 : x
  2. Step 2: Convert to fraction form
    14,740.52/20,342.34 = 8,454.12/x
  3. Step 3: Cross multiply
    14,740.52x = 20,342.34 × 8,454.12
  4. Step 4: Simplify right side
    14,740.52x = 171,976,583.44
  5. Step 5: Solve for x
    x = 171,976,583.44/14,740.52
  6. Step 6: Final answer
    x = 11,666.93

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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.