Home / 19,657.68-29,500.78-14,740.56

Finding the Fourth Proportional to 19,657.68, 29,500.78 and 14,740.56

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Solution

The fourth proportional to 19,657.68, 29,500.78 and 14,740.56 is: 22,121.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,657.68 : 29,500.78 = 14,740.56 : x
  2. Step 2: Convert to fraction form
    19,657.68/29,500.78 = 14,740.56/x
  3. Step 3: Cross multiply
    19,657.68x = 29,500.78 × 14,740.56
  4. Step 4: Simplify right side
    19,657.68x = 434,858,017.64
  5. Step 5: Solve for x
    x = 434,858,017.64/19,657.68
  6. Step 6: Final answer
    x = 22,121.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.