Home / 15,766.52-21,756.20-9,050.54

Finding the Fourth Proportional to 15,766.52, 21,756.20 and 9,050.54

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Solution

The fourth proportional to 15,766.52, 21,756.20 and 9,050.54 is: 12,488.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,766.52 : 21,756.20 = 9,050.54 : x
  2. Step 2: Convert to fraction form
    15,766.52/21,756.20 = 9,050.54/x
  3. Step 3: Cross multiply
    15,766.52x = 21,756.20 × 9,050.54
  4. Step 4: Simplify right side
    15,766.52x = 196,905,204.31
  5. Step 5: Solve for x
    x = 196,905,204.31/15,766.52
  6. Step 6: Final answer
    x = 12,488.82

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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.