Home / 14,884.32-20,541.39-9,839.80

Finding the Fourth Proportional to 14,884.32, 20,541.39 and 9,839.80

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Solution

The fourth proportional to 14,884.32, 20,541.39 and 9,839.80 is: 13,579.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,884.32 : 20,541.39 = 9,839.80 : x
  2. Step 2: Convert to fraction form
    14,884.32/20,541.39 = 9,839.80/x
  3. Step 3: Cross multiply
    14,884.32x = 20,541.39 × 9,839.80
  4. Step 4: Simplify right side
    14,884.32x = 202,123,066.62
  5. Step 5: Solve for x
    x = 202,123,066.62/14,884.32
  6. Step 6: Final answer
    x = 13,579.60

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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.