Home / 22,590.45-31,179.19-13,036.50

Finding the Fourth Proportional to 22,590.45, 31,179.19 and 13,036.50

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Solution

The fourth proportional to 22,590.45, 31,179.19 and 13,036.50 is: 17,992.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,590.45 : 31,179.19 = 13,036.50 : x
  2. Step 2: Convert to fraction form
    22,590.45/31,179.19 = 13,036.50/x
  3. Step 3: Cross multiply
    22,590.45x = 31,179.19 × 13,036.50
  4. Step 4: Simplify right side
    22,590.45x = 406,467,510.44
  5. Step 5: Solve for x
    x = 406,467,510.44/22,590.45
  6. Step 6: Final answer
    x = 17,992.89

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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.