Home / 14,033.56-21,038.08-5,268.64

Finding the Fourth Proportional to 14,033.56, 21,038.08 and 5,268.64

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Solution

The fourth proportional to 14,033.56, 21,038.08 and 5,268.64 is: 7,898.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,033.56 : 21,038.08 = 5,268.64 : x
  2. Step 2: Convert to fraction form
    14,033.56/21,038.08 = 5,268.64/x
  3. Step 3: Cross multiply
    14,033.56x = 21,038.08 × 5,268.64
  4. Step 4: Simplify right side
    14,033.56x = 110,842,069.81
  5. Step 5: Solve for x
    x = 110,842,069.81/14,033.56
  6. Step 6: Final answer
    x = 7,898.36

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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.