Home / 23,311.09-32,165.71-13,100.11

Finding the Fourth Proportional to 23,311.09, 32,165.71 and 13,100.11

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Solution

The fourth proportional to 23,311.09, 32,165.71 and 13,100.11 is: 18,076.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,311.09 : 32,165.71 = 13,100.11 : x
  2. Step 2: Convert to fraction form
    23,311.09/32,165.71 = 13,100.11/x
  3. Step 3: Cross multiply
    23,311.09x = 32,165.71 × 13,100.11
  4. Step 4: Simplify right side
    23,311.09x = 421,374,226.06
  5. Step 5: Solve for x
    x = 421,374,226.06/23,311.09
  6. Step 6: Final answer
    x = 18,076.13

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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.