Home / 14,208.56-21,299.80-4,969.52

Finding the Fourth Proportional to 14,208.56, 21,299.80 and 4,969.52

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Solution

The fourth proportional to 14,208.56, 21,299.80 and 4,969.52 is: 7,449.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,208.56 : 21,299.80 = 4,969.52 : x
  2. Step 2: Convert to fraction form
    14,208.56/21,299.80 = 4,969.52/x
  3. Step 3: Cross multiply
    14,208.56x = 21,299.80 × 4,969.52
  4. Step 4: Simplify right side
    14,208.56x = 105,849,782.10
  5. Step 5: Solve for x
    x = 105,849,782.10/14,208.56
  6. Step 6: Final answer
    x = 7,449.72

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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.