Home / 14,972.12-20,658.67-10,254.68

Finding the Fourth Proportional to 14,972.12, 20,658.67 and 10,254.68

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Solution

The fourth proportional to 14,972.12, 20,658.67 and 10,254.68 is: 14,149.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,972.12 : 20,658.67 = 10,254.68 : x
  2. Step 2: Convert to fraction form
    14,972.12/20,658.67 = 10,254.68/x
  3. Step 3: Cross multiply
    14,972.12x = 20,658.67 × 10,254.68
  4. Step 4: Simplify right side
    14,972.12x = 211,847,921.15
  5. Step 5: Solve for x
    x = 211,847,921.15/14,972.12
  6. Step 6: Final answer
    x = 14,149.50

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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.