Home / 22,613.79-31,202.04-13,051.65

Finding the Fourth Proportional to 22,613.79, 31,202.04 and 13,051.65

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Solution

The fourth proportional to 22,613.79, 31,202.04 and 13,051.65 is: 18,008.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,613.79 : 31,202.04 = 13,051.65 : x
  2. Step 2: Convert to fraction form
    22,613.79/31,202.04 = 13,051.65/x
  3. Step 3: Cross multiply
    22,613.79x = 31,202.04 × 13,051.65
  4. Step 4: Simplify right side
    22,613.79x = 407,238,121.68
  5. Step 5: Solve for x
    x = 407,238,121.68/22,613.79
  6. Step 6: Final answer
    x = 18,008.40

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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.