Home / 18,788.92-25,927.14-10,405.24

Finding the Fourth Proportional to 18,788.92, 25,927.14 and 10,405.24

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Solution

The fourth proportional to 18,788.92, 25,927.14 and 10,405.24 is: 14,358.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,788.92 : 25,927.14 = 10,405.24 : x
  2. Step 2: Convert to fraction form
    18,788.92/25,927.14 = 10,405.24/x
  3. Step 3: Cross multiply
    18,788.92x = 25,927.14 × 10,405.24
  4. Step 4: Simplify right side
    18,788.92x = 269,778,114.21
  5. Step 5: Solve for x
    x = 269,778,114.21/18,788.92
  6. Step 6: Final answer
    x = 14,358.36

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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.