Home / 14,770.56-20,385.32-9,393.50

Finding the Fourth Proportional to 14,770.56, 20,385.32 and 9,393.50

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Solution

The fourth proportional to 14,770.56, 20,385.32 and 9,393.50 is: 12,964.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,770.56 : 20,385.32 = 9,393.50 : x
  2. Step 2: Convert to fraction form
    14,770.56/20,385.32 = 9,393.50/x
  3. Step 3: Cross multiply
    14,770.56x = 20,385.32 × 9,393.50
  4. Step 4: Simplify right side
    14,770.56x = 191,489,475.94
  5. Step 5: Solve for x
    x = 191,489,475.94/14,770.56
  6. Step 6: Final answer
    x = 12,964.27

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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.