Home / 20,535.04-28,338.22-11,582.62

Finding the Fourth Proportional to 20,535.04, 28,338.22 and 11,582.62

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Solution

The fourth proportional to 20,535.04, 28,338.22 and 11,582.62 is: 15,983.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,535.04 : 28,338.22 = 11,582.62 : x
  2. Step 2: Convert to fraction form
    20,535.04/28,338.22 = 11,582.62/x
  3. Step 3: Cross multiply
    20,535.04x = 28,338.22 × 11,582.62
  4. Step 4: Simplify right side
    20,535.04x = 328,230,833.74
  5. Step 5: Solve for x
    x = 328,230,833.74/20,535.04
  6. Step 6: Final answer
    x = 15,983.94

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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.