Home / 26,549.09-36,640.10-15,222.59

Finding the Fourth Proportional to 26,549.09, 36,640.10 and 15,222.59

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Solution

The fourth proportional to 26,549.09, 36,640.10 and 15,222.59 is: 21,008.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,549.09 : 36,640.10 = 15,222.59 : x
  2. Step 2: Convert to fraction form
    26,549.09/36,640.10 = 15,222.59/x
  3. Step 3: Cross multiply
    26,549.09x = 36,640.10 × 15,222.59
  4. Step 4: Simplify right side
    26,549.09x = 557,757,074.71
  5. Step 5: Solve for x
    x = 557,757,074.71/26,549.09
  6. Step 6: Final answer
    x = 21,008.52

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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.