Home / 26,532.89-36,620.63-15,209.99

Finding the Fourth Proportional to 26,532.89, 36,620.63 and 15,209.99

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Solution

The fourth proportional to 26,532.89, 36,620.63 and 15,209.99 is: 20,992.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,532.89 : 36,620.63 = 15,209.99 : x
  2. Step 2: Convert to fraction form
    26,532.89/36,620.63 = 15,209.99/x
  3. Step 3: Cross multiply
    26,532.89x = 36,620.63 × 15,209.99
  4. Step 4: Simplify right side
    26,532.89x = 556,999,156.94
  5. Step 5: Solve for x
    x = 556,999,156.94/26,532.89
  6. Step 6: Final answer
    x = 20,992.78

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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.