Home / 21,444.57-32,131.29-15,173.50

Finding the Fourth Proportional to 21,444.57, 32,131.29 and 15,173.50

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Solution

The fourth proportional to 21,444.57, 32,131.29 and 15,173.50 is: 22,735.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,444.57 : 32,131.29 = 15,173.50 : x
  2. Step 2: Convert to fraction form
    21,444.57/32,131.29 = 15,173.50/x
  3. Step 3: Cross multiply
    21,444.57x = 32,131.29 × 15,173.50
  4. Step 4: Simplify right side
    21,444.57x = 487,543,991.59
  5. Step 5: Solve for x
    x = 487,543,991.59/21,444.57
  6. Step 6: Final answer
    x = 22,735.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.