Home / 26,609.82-39,921.57-9,970.08

Finding the Fourth Proportional to 26,609.82, 39,921.57 and 9,970.08

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Solution

The fourth proportional to 26,609.82, 39,921.57 and 9,970.08 is: 14,957.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,609.82 : 39,921.57 = 9,970.08 : x
  2. Step 2: Convert to fraction form
    26,609.82/39,921.57 = 9,970.08/x
  3. Step 3: Cross multiply
    26,609.82x = 39,921.57 × 9,970.08
  4. Step 4: Simplify right side
    26,609.82x = 398,021,246.63
  5. Step 5: Solve for x
    x = 398,021,246.63/26,609.82
  6. Step 6: Final answer
    x = 14,957.68

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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.