Home / 14,579.36-21,871.56-4,721.12

Finding the Fourth Proportional to 14,579.36, 21,871.56 and 4,721.12

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Solution

The fourth proportional to 14,579.36, 21,871.56 and 4,721.12 is: 7,082.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,579.36 : 21,871.56 = 4,721.12 : x
  2. Step 2: Convert to fraction form
    14,579.36/21,871.56 = 4,721.12/x
  3. Step 3: Cross multiply
    14,579.36x = 21,871.56 × 4,721.12
  4. Step 4: Simplify right side
    14,579.36x = 103,258,259.35
  5. Step 5: Solve for x
    x = 103,258,259.35/14,579.36
  6. Step 6: Final answer
    x = 7,082.50

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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.