Home / 18,550.80-25,599.96-10,167.28

Finding the Fourth Proportional to 18,550.80, 25,599.96 and 10,167.28

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Solution

The fourth proportional to 18,550.80, 25,599.96 and 10,167.28 is: 14,030.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,550.80 : 25,599.96 = 10,167.28 : x
  2. Step 2: Convert to fraction form
    18,550.80/25,599.96 = 10,167.28/x
  3. Step 3: Cross multiply
    18,550.80x = 25,599.96 × 10,167.28
  4. Step 4: Simplify right side
    18,550.80x = 260,281,961.31
  5. Step 5: Solve for x
    x = 260,281,961.31/18,550.80
  6. Step 6: Final answer
    x = 14,030.77

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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.