Home / 14,798.33-20,419.85-8,425.74

Finding the Fourth Proportional to 14,798.33, 20,419.85 and 8,425.74

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Solution

The fourth proportional to 14,798.33, 20,419.85 and 8,425.74 is: 11,626.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,798.33 : 20,419.85 = 8,425.74 : x
  2. Step 2: Convert to fraction form
    14,798.33/20,419.85 = 8,425.74/x
  3. Step 3: Cross multiply
    14,798.33x = 20,419.85 × 8,425.74
  4. Step 4: Simplify right side
    14,798.33x = 172,052,304.81
  5. Step 5: Solve for x
    x = 172,052,304.81/14,798.33
  6. Step 6: Final answer
    x = 11,626.47

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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.