Home / 25,109.29-37,662.10-11,785.32

Finding the Fourth Proportional to 25,109.29, 37,662.10 and 11,785.32

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Solution

The fourth proportional to 25,109.29, 37,662.10 and 11,785.32 is: 17,677.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,109.29 : 37,662.10 = 11,785.32 : x
  2. Step 2: Convert to fraction form
    25,109.29/37,662.10 = 11,785.32/x
  3. Step 3: Cross multiply
    25,109.29x = 37,662.10 × 11,785.32
  4. Step 4: Simplify right side
    25,109.29x = 443,859,900.37
  5. Step 5: Solve for x
    x = 443,859,900.37/25,109.29
  6. Step 6: Final answer
    x = 17,677.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.