Home / 26,618.12-39,905.28-10,609.28

Finding the Fourth Proportional to 26,618.12, 39,905.28 and 10,609.28

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Solution

The fourth proportional to 26,618.12, 39,905.28 and 10,609.28 is: 15,905.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,618.12 : 39,905.28 = 10,609.28 : x
  2. Step 2: Convert to fraction form
    26,618.12/39,905.28 = 10,609.28/x
  3. Step 3: Cross multiply
    26,618.12x = 39,905.28 × 10,609.28
  4. Step 4: Simplify right side
    26,618.12x = 423,366,289.00
  5. Step 5: Solve for x
    x = 423,366,289.00/26,618.12
  6. Step 6: Final answer
    x = 15,905.19

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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.