Home / 22,580.58-31,153.17-13,499.63

Finding the Fourth Proportional to 22,580.58, 31,153.17 and 13,499.63

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Solution

The fourth proportional to 22,580.58, 31,153.17 and 13,499.63 is: 18,624.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,580.58 : 31,153.17 = 13,499.63 : x
  2. Step 2: Convert to fraction form
    22,580.58/31,153.17 = 13,499.63/x
  3. Step 3: Cross multiply
    22,580.58x = 31,153.17 × 13,499.63
  4. Step 4: Simplify right side
    22,580.58x = 420,556,268.33
  5. Step 5: Solve for x
    x = 420,556,268.33/22,580.58
  6. Step 6: Final answer
    x = 18,624.69

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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.