Home / 18,623.05-25,699.43-10,125.34

Finding the Fourth Proportional to 18,623.05, 25,699.43 and 10,125.34

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Solution

The fourth proportional to 18,623.05, 25,699.43 and 10,125.34 is: 13,972.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,623.05 : 25,699.43 = 10,125.34 : x
  2. Step 2: Convert to fraction form
    18,623.05/25,699.43 = 10,125.34/x
  3. Step 3: Cross multiply
    18,623.05x = 25,699.43 × 10,125.34
  4. Step 4: Simplify right side
    18,623.05x = 260,215,427.62
  5. Step 5: Solve for x
    x = 260,215,427.62/18,623.05
  6. Step 6: Final answer
    x = 13,972.76

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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.