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Finding the Fourth Proportional to 14,810.58, 20,444.13 and 9,220.50

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Solution

The fourth proportional to 14,810.58, 20,444.13 and 9,220.50 is: 12,727.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,810.58 : 20,444.13 = 9,220.50 : x
  2. Step 2: Convert to fraction form
    14,810.58/20,444.13 = 9,220.50/x
  3. Step 3: Cross multiply
    14,810.58x = 20,444.13 × 9,220.50
  4. Step 4: Simplify right side
    14,810.58x = 188,505,100.67
  5. Step 5: Solve for x
    x = 188,505,100.67/14,810.58
  6. Step 6: Final answer
    x = 12,727.73

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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.