Home / 13,358.58-20,038.41-5,037.72

Finding the Fourth Proportional to 13,358.58, 20,038.41 and 5,037.72

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Solution

The fourth proportional to 13,358.58, 20,038.41 and 5,037.72 is: 7,556.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,358.58 : 20,038.41 = 5,037.72 : x
  2. Step 2: Convert to fraction form
    13,358.58/20,038.41 = 5,037.72/x
  3. Step 3: Cross multiply
    13,358.58x = 20,038.41 × 5,037.72
  4. Step 4: Simplify right side
    13,358.58x = 100,947,898.83
  5. Step 5: Solve for x
    x = 100,947,898.83/13,358.58
  6. Step 6: Final answer
    x = 7,556.78

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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.