Home / 23,985.80-33,099.59-13,231.10

Finding the Fourth Proportional to 23,985.80, 33,099.59 and 13,231.10

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Solution

The fourth proportional to 23,985.80, 33,099.59 and 13,231.10 is: 18,258.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,985.80 : 33,099.59 = 13,231.10 : x
  2. Step 2: Convert to fraction form
    23,985.80/33,099.59 = 13,231.10/x
  3. Step 3: Cross multiply
    23,985.80x = 33,099.59 × 13,231.10
  4. Step 4: Simplify right side
    23,985.80x = 437,943,840.47
  5. Step 5: Solve for x
    x = 437,943,840.47/23,985.80
  6. Step 6: Final answer
    x = 18,258.47

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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.