Home / 14,544.12-20,070.87-8,256.50

Finding the Fourth Proportional to 14,544.12, 20,070.87 and 8,256.50

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Solution

The fourth proportional to 14,544.12, 20,070.87 and 8,256.50 is: 11,393.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,544.12 : 20,070.87 = 8,256.50 : x
  2. Step 2: Convert to fraction form
    14,544.12/20,070.87 = 8,256.50/x
  3. Step 3: Cross multiply
    14,544.12x = 20,070.87 × 8,256.50
  4. Step 4: Simplify right side
    14,544.12x = 165,715,082.10
  5. Step 5: Solve for x
    x = 165,715,082.10/14,544.12
  6. Step 6: Final answer
    x = 11,393.95

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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.