Home / 23,321.13-32,157.75-15,754.32

Finding the Fourth Proportional to 23,321.13, 32,157.75 and 15,754.32

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Solution

The fourth proportional to 23,321.13, 32,157.75 and 15,754.32 is: 21,723.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,321.13 : 32,157.75 = 15,754.32 : x
  2. Step 2: Convert to fraction form
    23,321.13/32,157.75 = 15,754.32/x
  3. Step 3: Cross multiply
    23,321.13x = 32,157.75 × 15,754.32
  4. Step 4: Simplify right side
    23,321.13x = 506,623,483.98
  5. Step 5: Solve for x
    x = 506,623,483.98/23,321.13
  6. Step 6: Final answer
    x = 21,723.80

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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.