Home / 20,102.05-30,112.73-9,582.24

Finding the Fourth Proportional to 20,102.05, 30,112.73 and 9,582.24

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Solution

The fourth proportional to 20,102.05, 30,112.73 and 9,582.24 is: 14,354.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,102.05 : 30,112.73 = 9,582.24 : x
  2. Step 2: Convert to fraction form
    20,102.05/30,112.73 = 9,582.24/x
  3. Step 3: Cross multiply
    20,102.05x = 30,112.73 × 9,582.24
  4. Step 4: Simplify right side
    20,102.05x = 288,547,405.92
  5. Step 5: Solve for x
    x = 288,547,405.92/20,102.05
  6. Step 6: Final answer
    x = 14,354.13

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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.