Home / 23,317.54-34,986.63-12,221.57

Finding the Fourth Proportional to 23,317.54, 34,986.63 and 12,221.57

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Solution

The fourth proportional to 23,317.54, 34,986.63 and 12,221.57 is: 18,337.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,317.54 : 34,986.63 = 12,221.57 : x
  2. Step 2: Convert to fraction form
    23,317.54/34,986.63 = 12,221.57/x
  3. Step 3: Cross multiply
    23,317.54x = 34,986.63 × 12,221.57
  4. Step 4: Simplify right side
    23,317.54x = 427,591,547.61
  5. Step 5: Solve for x
    x = 427,591,547.61/23,317.54
  6. Step 6: Final answer
    x = 18,337.76

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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.