Home / 14,451.32-19,934.24-9,136.91

Finding the Fourth Proportional to 14,451.32, 19,934.24 and 9,136.91

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Solution

The fourth proportional to 14,451.32, 19,934.24 and 9,136.91 is: 12,603.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,451.32 : 19,934.24 = 9,136.91 : x
  2. Step 2: Convert to fraction form
    14,451.32/19,934.24 = 9,136.91/x
  3. Step 3: Cross multiply
    14,451.32x = 19,934.24 × 9,136.91
  4. Step 4: Simplify right side
    14,451.32x = 182,137,360.95
  5. Step 5: Solve for x
    x = 182,137,360.95/14,451.32
  6. Step 6: Final answer
    x = 12,603.51

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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.