Home / 13,265.88-18,307.53-7,297.44

Finding the Fourth Proportional to 13,265.88, 18,307.53 and 7,297.44

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Solution

The fourth proportional to 13,265.88, 18,307.53 and 7,297.44 is: 10,070.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,265.88 : 18,307.53 = 7,297.44 : x
  2. Step 2: Convert to fraction form
    13,265.88/18,307.53 = 7,297.44/x
  3. Step 3: Cross multiply
    13,265.88x = 18,307.53 × 7,297.44
  4. Step 4: Simplify right side
    13,265.88x = 133,598,101.72
  5. Step 5: Solve for x
    x = 133,598,101.72/13,265.88
  6. Step 6: Final answer
    x = 10,070.81

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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.