Home / 13,889.25-19,167.57-7,602.03

Finding the Fourth Proportional to 13,889.25, 19,167.57 and 7,602.03

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Solution

The fourth proportional to 13,889.25, 19,167.57 and 7,602.03 is: 10,491.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889.25 : 19,167.57 = 7,602.03 : x
  2. Step 2: Convert to fraction form
    13,889.25/19,167.57 = 7,602.03/x
  3. Step 3: Cross multiply
    13,889.25x = 19,167.57 × 7,602.03
  4. Step 4: Simplify right side
    13,889.25x = 145,712,442.17
  5. Step 5: Solve for x
    x = 145,712,442.17/13,889.25
  6. Step 6: Final answer
    x = 10,491.02

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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.