Home / 26,528.91-36,609.90-15,918.54

Finding the Fourth Proportional to 26,528.91, 36,609.90 and 15,918.54

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Solution

The fourth proportional to 26,528.91, 36,609.90 and 15,918.54 is: 21,967.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,528.91 : 36,609.90 = 15,918.54 : x
  2. Step 2: Convert to fraction form
    26,528.91/36,609.90 = 15,918.54/x
  3. Step 3: Cross multiply
    26,528.91x = 36,609.90 × 15,918.54
  4. Step 4: Simplify right side
    26,528.91x = 582,776,157.55
  5. Step 5: Solve for x
    x = 582,776,157.55/26,528.91
  6. Step 6: Final answer
    x = 21,967.59

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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.