Home / 14,752.90-20,357.85-8,463.94

Finding the Fourth Proportional to 14,752.90, 20,357.85 and 8,463.94

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Solution

The fourth proportional to 14,752.90, 20,357.85 and 8,463.94 is: 11,679.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,752.90 : 20,357.85 = 8,463.94 : x
  2. Step 2: Convert to fraction form
    14,752.90/20,357.85 = 8,463.94/x
  3. Step 3: Cross multiply
    14,752.90x = 20,357.85 × 8,463.94
  4. Step 4: Simplify right side
    14,752.90x = 172,307,620.93
  5. Step 5: Solve for x
    x = 172,307,620.93/14,752.90
  6. Step 6: Final answer
    x = 11,679.58

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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.