Home / 14,951.34-20,632.68-8,663.58

Finding the Fourth Proportional to 14,951.34, 20,632.68 and 8,663.58

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Solution

The fourth proportional to 14,951.34, 20,632.68 and 8,663.58 is: 11,955.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,951.34 : 20,632.68 = 8,663.58 : x
  2. Step 2: Convert to fraction form
    14,951.34/20,632.68 = 8,663.58/x
  3. Step 3: Cross multiply
    14,951.34x = 20,632.68 × 8,663.58
  4. Step 4: Simplify right side
    14,951.34x = 178,752,873.79
  5. Step 5: Solve for x
    x = 178,752,873.79/14,951.34
  6. Step 6: Final answer
    x = 11,955.64

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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.