Home / 22,490.08-31,023.88-13,993.58

Finding the Fourth Proportional to 22,490.08, 31,023.88 and 13,993.58

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Solution

The fourth proportional to 22,490.08, 31,023.88 and 13,993.58 is: 19,303.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,490.08 : 31,023.88 = 13,993.58 : x
  2. Step 2: Convert to fraction form
    22,490.08/31,023.88 = 13,993.58/x
  3. Step 3: Cross multiply
    22,490.08x = 31,023.88 × 13,993.58
  4. Step 4: Simplify right side
    22,490.08x = 434,135,189.27
  5. Step 5: Solve for x
    x = 434,135,189.27/22,490.08
  6. Step 6: Final answer
    x = 19,303.41

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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.