Home / 20,441.16-28,220.00-12,376.26

Finding the Fourth Proportional to 20,441.16, 28,220.00 and 12,376.26

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Solution

The fourth proportional to 20,441.16, 28,220.00 and 12,376.26 is: 17,086.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,441.16 : 28,220.00 = 12,376.26 : x
  2. Step 2: Convert to fraction form
    20,441.16/28,220.00 = 12,376.26/x
  3. Step 3: Cross multiply
    20,441.16x = 28,220.00 × 12,376.26
  4. Step 4: Simplify right side
    20,441.16x = 349,257,995.32
  5. Step 5: Solve for x
    x = 349,257,995.32/20,441.16
  6. Step 6: Final answer
    x = 17,086.02

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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.