Home / 14,756.78-22,117.56-8,503.86

Finding the Fourth Proportional to 14,756.78, 22,117.56 and 8,503.86

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Solution

The fourth proportional to 14,756.78, 22,117.56 and 8,503.86 is: 12,745.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,756.78 : 22,117.56 = 8,503.86 : x
  2. Step 2: Convert to fraction form
    14,756.78/22,117.56 = 8,503.86/x
  3. Step 3: Cross multiply
    14,756.78x = 22,117.56 × 8,503.86
  4. Step 4: Simplify right side
    14,756.78x = 188,084,622.63
  5. Step 5: Solve for x
    x = 188,084,622.63/14,756.78
  6. Step 6: Final answer
    x = 12,745.64

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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.