Home / 23,211.75-32,036.27-13,780.11

Finding the Fourth Proportional to 23,211.75, 32,036.27 and 13,780.11

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Solution

The fourth proportional to 23,211.75, 32,036.27 and 13,780.11 is: 19,018.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,211.75 : 32,036.27 = 13,780.11 : x
  2. Step 2: Convert to fraction form
    23,211.75/32,036.27 = 13,780.11/x
  3. Step 3: Cross multiply
    23,211.75x = 32,036.27 × 13,780.11
  4. Step 4: Simplify right side
    23,211.75x = 441,463,255.69
  5. Step 5: Solve for x
    x = 441,463,255.69/23,211.75
  6. Step 6: Final answer
    x = 19,018.96

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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.