Home / 13,889.52-19,167.54-7,601.88

Finding the Fourth Proportional to 13,889.52, 19,167.54 and 7,601.88

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Solution

The fourth proportional to 13,889.52, 19,167.54 and 7,601.88 is: 10,490.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889.52 : 19,167.54 = 7,601.88 : x
  2. Step 2: Convert to fraction form
    13,889.52/19,167.54 = 7,601.88/x
  3. Step 3: Cross multiply
    13,889.52x = 19,167.54 × 7,601.88
  4. Step 4: Simplify right side
    13,889.52x = 145,709,338.98
  5. Step 5: Solve for x
    x = 145,709,338.98/13,889.52
  6. Step 6: Final answer
    x = 10,490.60

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1.5x scale

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.