Home / 22,516.89-31,066.52-13,083.63

Finding the Fourth Proportional to 22,516.89, 31,066.52 and 13,083.63

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Solution

The fourth proportional to 22,516.89, 31,066.52 and 13,083.63 is: 18,051.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,516.89 : 31,066.52 = 13,083.63 : x
  2. Step 2: Convert to fraction form
    22,516.89/31,066.52 = 13,083.63/x
  3. Step 3: Cross multiply
    22,516.89x = 31,066.52 × 13,083.63
  4. Step 4: Simplify right side
    22,516.89x = 406,462,787.65
  5. Step 5: Solve for x
    x = 406,462,787.65/22,516.89
  6. Step 6: Final answer
    x = 18,051.46

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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.