Home / 14,551.34-20,079.78-8,262.50

Finding the Fourth Proportional to 14,551.34, 20,079.78 and 8,262.50

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Solution

The fourth proportional to 14,551.34, 20,079.78 and 8,262.50 is: 11,401.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,551.34 : 20,079.78 = 8,262.50 : x
  2. Step 2: Convert to fraction form
    14,551.34/20,079.78 = 8,262.50/x
  3. Step 3: Cross multiply
    14,551.34x = 20,079.78 × 8,262.50
  4. Step 4: Simplify right side
    14,551.34x = 165,909,182.25
  5. Step 5: Solve for x
    x = 165,909,182.25/14,551.34
  6. Step 6: Final answer
    x = 11,401.64

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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.