Home / 23,840.78-32,899.65-13,230.14

Finding the Fourth Proportional to 23,840.78, 32,899.65 and 13,230.14

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Solution

The fourth proportional to 23,840.78, 32,899.65 and 13,230.14 is: 18,257.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,840.78 : 32,899.65 = 13,230.14 : x
  2. Step 2: Convert to fraction form
    23,840.78/32,899.65 = 13,230.14/x
  3. Step 3: Cross multiply
    23,840.78x = 32,899.65 × 13,230.14
  4. Step 4: Simplify right side
    23,840.78x = 435,266,975.45
  5. Step 5: Solve for x
    x = 435,266,975.45/23,840.78
  6. Step 6: Final answer
    x = 18,257.25

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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.