Home / 22,832.16-31,459.20-15,367.20

Finding the Fourth Proportional to 22,832.16, 31,459.20 and 15,367.20

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Solution

The fourth proportional to 22,832.16, 31,459.20 and 15,367.20 is: 21,173.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,832.16 : 31,459.20 = 15,367.20 : x
  2. Step 2: Convert to fraction form
    22,832.16/31,459.20 = 15,367.20/x
  3. Step 3: Cross multiply
    22,832.16x = 31,459.20 × 15,367.20
  4. Step 4: Simplify right side
    22,832.16x = 483,439,818.24
  5. Step 5: Solve for x
    x = 483,439,818.24/22,832.16
  6. Step 6: Final answer
    x = 21,173.63

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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.