Home / 15,140.24-20,887.44-9,548

Finding the Fourth Proportional to 15,140.24, 20,887.44 and 9,548

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Solution

The fourth proportional to 15,140.24, 20,887.44 and 9,548 is: 13,172.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,140.24 : 20,887.44 = 9,548 : x
  2. Step 2: Convert to fraction form
    15,140.24/20,887.44 = 9,548/x
  3. Step 3: Cross multiply
    15,140.24x = 20,887.44 × 9,548
  4. Step 4: Simplify right side
    15,140.24x = 199,433,277.12
  5. Step 5: Solve for x
    x = 199,433,277.12/15,140.24
  6. Step 6: Final answer
    x = 13,172.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.