Home / 14,325.01-21,382.83-13,269.78

Finding the Fourth Proportional to 14,325.01, 21,382.83 and 13,269.78

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Solution

The fourth proportional to 14,325.01, 21,382.83 and 13,269.78 is: 19,807.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,325.01 : 21,382.83 = 13,269.78 : x
  2. Step 2: Convert to fraction form
    14,325.01/21,382.83 = 13,269.78/x
  3. Step 3: Cross multiply
    14,325.01x = 21,382.83 × 13,269.78
  4. Step 4: Simplify right side
    14,325.01x = 283,745,449.88
  5. Step 5: Solve for x
    x = 283,745,449.88/14,325.01
  6. Step 6: Final answer
    x = 19,807.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.