Home / 13,357.39-20,037.90-5,564.38

Finding the Fourth Proportional to 13,357.39, 20,037.90 and 5,564.38

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Solution

The fourth proportional to 13,357.39, 20,037.90 and 5,564.38 is: 8,347.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357.39 : 20,037.90 = 5,564.38 : x
  2. Step 2: Convert to fraction form
    13,357.39/20,037.90 = 5,564.38/x
  3. Step 3: Cross multiply
    13,357.39x = 20,037.90 × 5,564.38
  4. Step 4: Simplify right side
    13,357.39x = 111,498,389.81
  5. Step 5: Solve for x
    x = 111,498,389.81/13,357.39
  6. Step 6: Final answer
    x = 8,347.32

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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.