Home / 13,889.73-19,167.81-7,602.11

Finding the Fourth Proportional to 13,889.73, 19,167.81 and 7,602.11

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Solution

The fourth proportional to 13,889.73, 19,167.81 and 7,602.11 is: 10,490.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889.73 : 19,167.81 = 7,602.11 : x
  2. Step 2: Convert to fraction form
    13,889.73/19,167.81 = 7,602.11/x
  3. Step 3: Cross multiply
    13,889.73x = 19,167.81 × 7,602.11
  4. Step 4: Simplify right side
    13,889.73x = 145,715,704.24
  5. Step 5: Solve for x
    x = 145,715,704.24/13,889.73
  6. Step 6: Final answer
    x = 10,490.90

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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.