Home / 43,280.71-64,924.79-15,198.35

Finding the Fourth Proportional to 43,280.71, 64,924.79 and 15,198.35

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Solution

The fourth proportional to 43,280.71, 64,924.79 and 15,198.35 is: 22,798.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,280.71 : 64,924.79 = 15,198.35 : x
  2. Step 2: Convert to fraction form
    43,280.71/64,924.79 = 15,198.35/x
  3. Step 3: Cross multiply
    43,280.71x = 64,924.79 × 15,198.35
  4. Step 4: Simplify right side
    43,280.71x = 986,749,768.42
  5. Step 5: Solve for x
    x = 986,749,768.42/43,280.71
  6. Step 6: Final answer
    x = 22,798.84

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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.