Home / 14,595.07-20,142.22-8,307.44

Finding the Fourth Proportional to 14,595.07, 20,142.22 and 8,307.44

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Solution

The fourth proportional to 14,595.07, 20,142.22 and 8,307.44 is: 11,464.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,595.07 : 20,142.22 = 8,307.44 : x
  2. Step 2: Convert to fraction form
    14,595.07/20,142.22 = 8,307.44/x
  3. Step 3: Cross multiply
    14,595.07x = 20,142.22 × 8,307.44
  4. Step 4: Simplify right side
    14,595.07x = 167,330,313.70
  5. Step 5: Solve for x
    x = 167,330,313.70/14,595.07
  6. Step 6: Final answer
    x = 11,464.85

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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.