Home / 26,221.47-36,185.88-14,891.20

Finding the Fourth Proportional to 26,221.47, 36,185.88 and 14,891.20

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Solution

The fourth proportional to 26,221.47, 36,185.88 and 14,891.20 is: 20,550.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,221.47 : 36,185.88 = 14,891.20 : x
  2. Step 2: Convert to fraction form
    26,221.47/36,185.88 = 14,891.20/x
  3. Step 3: Cross multiply
    26,221.47x = 36,185.88 × 14,891.20
  4. Step 4: Simplify right side
    26,221.47x = 538,851,165.65
  5. Step 5: Solve for x
    x = 538,851,165.65/26,221.47
  6. Step 6: Final answer
    x = 20,550.00

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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.