Home / 15,354.45-22,990.66-9,777.60

Finding the Fourth Proportional to 15,354.45, 22,990.66 and 9,777.60

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Solution

The fourth proportional to 15,354.45, 22,990.66 and 9,777.60 is: 14,640.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,354.45 : 22,990.66 = 9,777.60 : x
  2. Step 2: Convert to fraction form
    15,354.45/22,990.66 = 9,777.60/x
  3. Step 3: Cross multiply
    15,354.45x = 22,990.66 × 9,777.60
  4. Step 4: Simplify right side
    15,354.45x = 224,793,452.77
  5. Step 5: Solve for x
    x = 224,793,452.77/15,354.45
  6. Step 6: Final answer
    x = 14,640.28

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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.