Home / 23,688.84-32,690.38-13,078.24

Finding the Fourth Proportional to 23,688.84, 32,690.38 and 13,078.24

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Solution

The fourth proportional to 23,688.84, 32,690.38 and 13,078.24 is: 18,047.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,688.84 : 32,690.38 = 13,078.24 : x
  2. Step 2: Convert to fraction form
    23,688.84/32,690.38 = 13,078.24/x
  3. Step 3: Cross multiply
    23,688.84x = 32,690.38 × 13,078.24
  4. Step 4: Simplify right side
    23,688.84x = 427,532,635.33
  5. Step 5: Solve for x
    x = 427,532,635.33/23,688.84
  6. Step 6: Final answer
    x = 18,047.85

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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.