Home / 14,268.40-21,402.60-5,033.20

Finding the Fourth Proportional to 14,268.40, 21,402.60 and 5,033.20

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Solution

The fourth proportional to 14,268.40, 21,402.60 and 5,033.20 is: 7,549.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,268.40 : 21,402.60 = 5,033.20 : x
  2. Step 2: Convert to fraction form
    14,268.40/21,402.60 = 5,033.20/x
  3. Step 3: Cross multiply
    14,268.40x = 21,402.60 × 5,033.20
  4. Step 4: Simplify right side
    14,268.40x = 107,723,566.32
  5. Step 5: Solve for x
    x = 107,723,566.32/14,268.40
  6. Step 6: Final answer
    x = 7,549.80

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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.