Home / 14,780.91-22,175.21-7,385.07

Finding the Fourth Proportional to 14,780.91, 22,175.21 and 7,385.07

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Solution

The fourth proportional to 14,780.91, 22,175.21 and 7,385.07 is: 11,079.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,780.91 : 22,175.21 = 7,385.07 : x
  2. Step 2: Convert to fraction form
    14,780.91/22,175.21 = 7,385.07/x
  3. Step 3: Cross multiply
    14,780.91x = 22,175.21 × 7,385.07
  4. Step 4: Simplify right side
    14,780.91x = 163,765,441.19
  5. Step 5: Solve for x
    x = 163,765,441.19/14,780.91
  6. Step 6: Final answer
    x = 11,079.52

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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.