Home / 15,977.27-22,048.65-8,903.54

Finding the Fourth Proportional to 15,977.27, 22,048.65 and 8,903.54

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Solution

The fourth proportional to 15,977.27, 22,048.65 and 8,903.54 is: 12,286.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,977.27 : 22,048.65 = 8,903.54 : x
  2. Step 2: Convert to fraction form
    15,977.27/22,048.65 = 8,903.54/x
  3. Step 3: Cross multiply
    15,977.27x = 22,048.65 × 8,903.54
  4. Step 4: Simplify right side
    15,977.27x = 196,311,037.22
  5. Step 5: Solve for x
    x = 196,311,037.22/15,977.27
  6. Step 6: Final answer
    x = 12,286.89

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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.