Home / 26,175.20-36,126.36-15,570.80

Finding the Fourth Proportional to 26,175.20, 36,126.36 and 15,570.80

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Solution

The fourth proportional to 26,175.20, 36,126.36 and 15,570.80 is: 21,490.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,175.20 : 36,126.36 = 15,570.80 : x
  2. Step 2: Convert to fraction form
    26,175.20/36,126.36 = 15,570.80/x
  3. Step 3: Cross multiply
    26,175.20x = 36,126.36 × 15,570.80
  4. Step 4: Simplify right side
    26,175.20x = 562,516,326.29
  5. Step 5: Solve for x
    x = 562,516,326.29/26,175.20
  6. Step 6: Final answer
    x = 21,490.43

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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.