Home / 18,550.29-25,598.55-10,166.61

Finding the Fourth Proportional to 18,550.29, 25,598.55 and 10,166.61

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Solution

The fourth proportional to 18,550.29, 25,598.55 and 10,166.61 is: 14,029.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,550.29 : 25,598.55 = 10,166.61 : x
  2. Step 2: Convert to fraction form
    18,550.29/25,598.55 = 10,166.61/x
  3. Step 3: Cross multiply
    18,550.29x = 25,598.55 × 10,166.61
  4. Step 4: Simplify right side
    18,550.29x = 260,250,474.42
  5. Step 5: Solve for x
    x = 260,250,474.42/18,550.29
  6. Step 6: Final answer
    x = 14,029.46

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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.