Home / 13,338.24-20,007.45-5,547.03

Finding the Fourth Proportional to 13,338.24, 20,007.45 and 5,547.03

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Solution

The fourth proportional to 13,338.24, 20,007.45 and 5,547.03 is: 8,320.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338.24 : 20,007.45 = 5,547.03 : x
  2. Step 2: Convert to fraction form
    13,338.24/20,007.45 = 5,547.03/x
  3. Step 3: Cross multiply
    13,338.24x = 20,007.45 × 5,547.03
  4. Step 4: Simplify right side
    13,338.24x = 110,981,925.37
  5. Step 5: Solve for x
    x = 110,981,925.37/13,338.24
  6. Step 6: Final answer
    x = 8,320.58

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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.