Home / 16,840.80-25,261.20-9,053.28

Finding the Fourth Proportional to 16,840.80, 25,261.20 and 9,053.28

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Solution

The fourth proportional to 16,840.80, 25,261.20 and 9,053.28 is: 13,579.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,840.80 : 25,261.20 = 9,053.28 : x
  2. Step 2: Convert to fraction form
    16,840.80/25,261.20 = 9,053.28/x
  3. Step 3: Cross multiply
    16,840.80x = 25,261.20 × 9,053.28
  4. Step 4: Simplify right side
    16,840.80x = 228,696,716.74
  5. Step 5: Solve for x
    x = 228,696,716.74/16,840.80
  6. Step 6: Final answer
    x = 13,579.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.