Home / 14,225.99-19,631.85-8,257.91

Finding the Fourth Proportional to 14,225.99, 19,631.85 and 8,257.91

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Solution

The fourth proportional to 14,225.99, 19,631.85 and 8,257.91 is: 11,395.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,225.99 : 19,631.85 = 8,257.91 : x
  2. Step 2: Convert to fraction form
    14,225.99/19,631.85 = 8,257.91/x
  3. Step 3: Cross multiply
    14,225.99x = 19,631.85 × 8,257.91
  4. Step 4: Simplify right side
    14,225.99x = 162,118,050.43
  5. Step 5: Solve for x
    x = 162,118,050.43/14,225.99
  6. Step 6: Final answer
    x = 11,395.91

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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.