Home / 22,613.53-33,920.30-7,814.38

Finding the Fourth Proportional to 22,613.53, 33,920.30 and 7,814.38

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Solution

The fourth proportional to 22,613.53, 33,920.30 and 7,814.38 is: 11,721.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,613.53 : 33,920.30 = 7,814.38 : x
  2. Step 2: Convert to fraction form
    22,613.53/33,920.30 = 7,814.38/x
  3. Step 3: Cross multiply
    22,613.53x = 33,920.30 × 7,814.38
  4. Step 4: Simplify right side
    22,613.53x = 265,066,113.91
  5. Step 5: Solve for x
    x = 265,066,113.91/22,613.53
  6. Step 6: Final answer
    x = 11,721.57

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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.