Home / 15,040.08-20,758.68-8,753.67

Finding the Fourth Proportional to 15,040.08, 20,758.68 and 8,753.67

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Solution

The fourth proportional to 15,040.08, 20,758.68 and 8,753.67 is: 12,082.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,040.08 : 20,758.68 = 8,753.67 : x
  2. Step 2: Convert to fraction form
    15,040.08/20,758.68 = 8,753.67/x
  3. Step 3: Cross multiply
    15,040.08x = 20,758.68 × 8,753.67
  4. Step 4: Simplify right side
    15,040.08x = 181,714,634.36
  5. Step 5: Solve for x
    x = 181,714,634.36/15,040.08
  6. Step 6: Final answer
    x = 12,082.03

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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.