Home / 18,065.66-24,929.58-9,998.86

Finding the Fourth Proportional to 18,065.66, 24,929.58 and 9,998.86

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Solution

The fourth proportional to 18,065.66, 24,929.58 and 9,998.86 is: 13,797.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,065.66 : 24,929.58 = 9,998.86 : x
  2. Step 2: Convert to fraction form
    18,065.66/24,929.58 = 9,998.86/x
  3. Step 3: Cross multiply
    18,065.66x = 24,929.58 × 9,998.86
  4. Step 4: Simplify right side
    18,065.66x = 249,267,380.28
  5. Step 5: Solve for x
    x = 249,267,380.28/18,065.66
  6. Step 6: Final answer
    x = 13,797.86

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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.