Home / 23,783.14-32,820.70-13,172.76

Finding the Fourth Proportional to 23,783.14, 32,820.70 and 13,172.76

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Solution

The fourth proportional to 23,783.14, 32,820.70 and 13,172.76 is: 18,178.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,783.14 : 32,820.70 = 13,172.76 : x
  2. Step 2: Convert to fraction form
    23,783.14/32,820.70 = 13,172.76/x
  3. Step 3: Cross multiply
    23,783.14x = 32,820.70 × 13,172.76
  4. Step 4: Simplify right side
    23,783.14x = 432,339,204.13
  5. Step 5: Solve for x
    x = 432,339,204.13/23,783.14
  6. Step 6: Final answer
    x = 18,178.39

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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.