Home / 22,534.24-31,099.86-13,586.32

Finding the Fourth Proportional to 22,534.24, 31,099.86 and 13,586.32

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Solution

The fourth proportional to 22,534.24, 31,099.86 and 13,586.32 is: 18,750.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,534.24 : 31,099.86 = 13,586.32 : x
  2. Step 2: Convert to fraction form
    22,534.24/31,099.86 = 13,586.32/x
  3. Step 3: Cross multiply
    22,534.24x = 31,099.86 × 13,586.32
  4. Step 4: Simplify right side
    22,534.24x = 422,532,649.92
  5. Step 5: Solve for x
    x = 422,532,649.92/22,534.24
  6. Step 6: Final answer
    x = 18,750.69

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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.