Home / 22,594.86-31,146.35-15,861.60

Finding the Fourth Proportional to 22,594.86, 31,146.35 and 15,861.60

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Solution

The fourth proportional to 22,594.86, 31,146.35 and 15,861.60 is: 21,864.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,594.86 : 31,146.35 = 15,861.60 : x
  2. Step 2: Convert to fraction form
    22,594.86/31,146.35 = 15,861.60/x
  3. Step 3: Cross multiply
    22,594.86x = 31,146.35 × 15,861.60
  4. Step 4: Simplify right side
    22,594.86x = 494,030,865.85
  5. Step 5: Solve for x
    x = 494,030,865.85/22,594.86
  6. Step 6: Final answer
    x = 21,864.75

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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.