Home / 14,770.93-20,385.84-9,393.87

Finding the Fourth Proportional to 14,770.93, 20,385.84 and 9,393.87

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Solution

The fourth proportional to 14,770.93, 20,385.84 and 9,393.87 is: 12,964.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,770.93 : 20,385.84 = 9,393.87 : x
  2. Step 2: Convert to fraction form
    14,770.93/20,385.84 = 9,393.87/x
  3. Step 3: Cross multiply
    14,770.93x = 20,385.84 × 9,393.87
  4. Step 4: Simplify right side
    14,770.93x = 191,501,981.77
  5. Step 5: Solve for x
    x = 191,501,981.77/14,770.93
  6. Step 6: Final answer
    x = 12,964.79

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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.