Home / 14,699.04-20,281.52-8,732.72

Finding the Fourth Proportional to 14,699.04, 20,281.52 and 8,732.72

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Solution

The fourth proportional to 14,699.04, 20,281.52 and 8,732.72 is: 12,049.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,699.04 : 20,281.52 = 8,732.72 : x
  2. Step 2: Convert to fraction form
    14,699.04/20,281.52 = 8,732.72/x
  3. Step 3: Cross multiply
    14,699.04x = 20,281.52 × 8,732.72
  4. Step 4: Simplify right side
    14,699.04x = 177,112,835.33
  5. Step 5: Solve for x
    x = 177,112,835.33/14,699.04
  6. Step 6: Final answer
    x = 12,049.28

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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.