Home / 23,830.46-32,886.08-13,220.09

Finding the Fourth Proportional to 23,830.46, 32,886.08 and 13,220.09

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Solution

The fourth proportional to 23,830.46, 32,886.08 and 13,220.09 is: 18,243.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,830.46 : 32,886.08 = 13,220.09 : x
  2. Step 2: Convert to fraction form
    23,830.46/32,886.08 = 13,220.09/x
  3. Step 3: Cross multiply
    23,830.46x = 32,886.08 × 13,220.09
  4. Step 4: Simplify right side
    23,830.46x = 434,757,027.52
  5. Step 5: Solve for x
    x = 434,757,027.52/23,830.46
  6. Step 6: Final answer
    x = 18,243.75

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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.