Home / 26,712.08-36,866.14-15,382.05

Finding the Fourth Proportional to 26,712.08, 36,866.14 and 15,382.05

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Solution

The fourth proportional to 26,712.08, 36,866.14 and 15,382.05 is: 21,229.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,712.08 : 36,866.14 = 15,382.05 : x
  2. Step 2: Convert to fraction form
    26,712.08/36,866.14 = 15,382.05/x
  3. Step 3: Cross multiply
    26,712.08x = 36,866.14 × 15,382.05
  4. Step 4: Simplify right side
    26,712.08x = 567,076,839.46
  5. Step 5: Solve for x
    x = 567,076,839.46/26,712.08
  6. Step 6: Final answer
    x = 21,229.23

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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.