Home / 14,928.32-20,601.57-8,556.12

Finding the Fourth Proportional to 14,928.32, 20,601.57 and 8,556.12

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Solution

The fourth proportional to 14,928.32, 20,601.57 and 8,556.12 is: 11,807.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,928.32 : 20,601.57 = 8,556.12 : x
  2. Step 2: Convert to fraction form
    14,928.32/20,601.57 = 8,556.12/x
  3. Step 3: Cross multiply
    14,928.32x = 20,601.57 × 8,556.12
  4. Step 4: Simplify right side
    14,928.32x = 176,269,359.32
  5. Step 5: Solve for x
    x = 176,269,359.32/14,928.32
  6. Step 6: Final answer
    x = 11,807.72

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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.