Home / 42,823.28-64,218.96-14,735.48

Finding the Fourth Proportional to 42,823.28, 64,218.96 and 14,735.48

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Solution

The fourth proportional to 42,823.28, 64,218.96 and 14,735.48 is: 22,097.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,823.28 : 64,218.96 = 14,735.48 : x
  2. Step 2: Convert to fraction form
    42,823.28/64,218.96 = 14,735.48/x
  3. Step 3: Cross multiply
    42,823.28x = 64,218.96 × 14,735.48
  4. Step 4: Simplify right side
    42,823.28x = 946,297,200.70
  5. Step 5: Solve for x
    x = 946,297,200.70/42,823.28
  6. Step 6: Final answer
    x = 22,097.73

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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.