Home / 13,625.07-18,802.82-7,493.03

Finding the Fourth Proportional to 13,625.07, 18,802.82 and 7,493.03

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Solution

The fourth proportional to 13,625.07, 18,802.82 and 7,493.03 is: 10,340.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,625.07 : 18,802.82 = 7,493.03 : x
  2. Step 2: Convert to fraction form
    13,625.07/18,802.82 = 7,493.03/x
  3. Step 3: Cross multiply
    13,625.07x = 18,802.82 × 7,493.03
  4. Step 4: Simplify right side
    13,625.07x = 140,890,094.34
  5. Step 5: Solve for x
    x = 140,890,094.34/13,625.07
  6. Step 6: Final answer
    x = 10,340.50

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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.