Home / 14,535.87-21,748.83-8,615.94

Finding the Fourth Proportional to 14,535.87, 21,748.83 and 8,615.94

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Solution

The fourth proportional to 14,535.87, 21,748.83 and 8,615.94 is: 12,891.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,535.87 : 21,748.83 = 8,615.94 : x
  2. Step 2: Convert to fraction form
    14,535.87/21,748.83 = 8,615.94/x
  3. Step 3: Cross multiply
    14,535.87x = 21,748.83 × 8,615.94
  4. Step 4: Simplify right side
    14,535.87x = 187,386,614.35
  5. Step 5: Solve for x
    x = 187,386,614.35/14,535.87
  6. Step 6: Final answer
    x = 12,891.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.