Home / 23,160.96-34,742.34-11,913.30

Finding the Fourth Proportional to 23,160.96, 34,742.34 and 11,913.30

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Solution

The fourth proportional to 23,160.96, 34,742.34 and 11,913.30 is: 17,870.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,160.96 : 34,742.34 = 11,913.30 : x
  2. Step 2: Convert to fraction form
    23,160.96/34,742.34 = 11,913.30/x
  3. Step 3: Cross multiply
    23,160.96x = 34,742.34 × 11,913.30
  4. Step 4: Simplify right side
    23,160.96x = 413,895,919.12
  5. Step 5: Solve for x
    x = 413,895,919.12/23,160.96
  6. Step 6: Final answer
    x = 17,870.41

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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.