Home / 14,740.08-20,338.16-8,770.59

Finding the Fourth Proportional to 14,740.08, 20,338.16 and 8,770.59

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Solution

The fourth proportional to 14,740.08, 20,338.16 and 8,770.59 is: 12,101.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,740.08 : 20,338.16 = 8,770.59 : x
  2. Step 2: Convert to fraction form
    14,740.08/20,338.16 = 8,770.59/x
  3. Step 3: Cross multiply
    14,740.08x = 20,338.16 × 8,770.59
  4. Step 4: Simplify right side
    14,740.08x = 178,377,618.86
  5. Step 5: Solve for x
    x = 178,377,618.86/14,740.08
  6. Step 6: Final answer
    x = 12,101.54

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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.