Home / 13,275.72-19,892.92-4,953.52

Finding the Fourth Proportional to 13,275.72, 19,892.92 and 4,953.52

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Solution

The fourth proportional to 13,275.72, 19,892.92 and 4,953.52 is: 7,422.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,275.72 : 19,892.92 = 4,953.52 : x
  2. Step 2: Convert to fraction form
    13,275.72/19,892.92 = 4,953.52/x
  3. Step 3: Cross multiply
    13,275.72x = 19,892.92 × 4,953.52
  4. Step 4: Simplify right side
    13,275.72x = 98,539,977.08
  5. Step 5: Solve for x
    x = 98,539,977.08/13,275.72
  6. Step 6: Final answer
    x = 7,422.57

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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.