Home / 14,043.36-21,052.02-5,284.08

Finding the Fourth Proportional to 14,043.36, 21,052.02 and 5,284.08

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Solution

The fourth proportional to 14,043.36, 21,052.02 and 5,284.08 is: 7,921.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,043.36 : 21,052.02 = 5,284.08 : x
  2. Step 2: Convert to fraction form
    14,043.36/21,052.02 = 5,284.08/x
  3. Step 3: Cross multiply
    14,043.36x = 21,052.02 × 5,284.08
  4. Step 4: Simplify right side
    14,043.36x = 111,240,557.84
  5. Step 5: Solve for x
    x = 111,240,557.84/14,043.36
  6. Step 6: Final answer
    x = 7,921.22

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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.