Home / 22,618.87-31,209.36-13,058.59

Finding the Fourth Proportional to 22,618.87, 31,209.36 and 13,058.59

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Solution

The fourth proportional to 22,618.87, 31,209.36 and 13,058.59 is: 18,018.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,618.87 : 31,209.36 = 13,058.59 : x
  2. Step 2: Convert to fraction form
    22,618.87/31,209.36 = 13,058.59/x
  3. Step 3: Cross multiply
    22,618.87x = 31,209.36 × 13,058.59
  4. Step 4: Simplify right side
    22,618.87x = 407,550,174.70
  5. Step 5: Solve for x
    x = 407,550,174.70/22,618.87
  6. Step 6: Final answer
    x = 18,018.15

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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.