Home / 23,780.36-32,814.09-13,712.11

Finding the Fourth Proportional to 23,780.36, 32,814.09 and 13,712.11

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Solution

The fourth proportional to 23,780.36, 32,814.09 and 13,712.11 is: 18,921.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,780.36 : 32,814.09 = 13,712.11 : x
  2. Step 2: Convert to fraction form
    23,780.36/32,814.09 = 13,712.11/x
  3. Step 3: Cross multiply
    23,780.36x = 32,814.09 × 13,712.11
  4. Step 4: Simplify right side
    23,780.36x = 449,950,343.07
  5. Step 5: Solve for x
    x = 449,950,343.07/23,780.36
  6. Step 6: Final answer
    x = 18,921.09

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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.