Home / 18,693.26-25,795.99-10,309.76

Finding the Fourth Proportional to 18,693.26, 25,795.99 and 10,309.76

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Solution

The fourth proportional to 18,693.26, 25,795.99 and 10,309.76 is: 14,227.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,693.26 : 25,795.99 = 10,309.76 : x
  2. Step 2: Convert to fraction form
    18,693.26/25,795.99 = 10,309.76/x
  3. Step 3: Cross multiply
    18,693.26x = 25,795.99 × 10,309.76
  4. Step 4: Simplify right side
    18,693.26x = 265,950,465.86
  5. Step 5: Solve for x
    x = 265,950,465.86/18,693.26
  6. Step 6: Final answer
    x = 14,227.08

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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.