Home / 23,171.02-34,751.20-13,813.68

Finding the Fourth Proportional to 23,171.02, 34,751.20 and 13,813.68

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Solution

The fourth proportional to 23,171.02, 34,751.20 and 13,813.68 is: 20,717.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,171.02 : 34,751.20 = 13,813.68 : x
  2. Step 2: Convert to fraction form
    23,171.02/34,751.20 = 13,813.68/x
  3. Step 3: Cross multiply
    23,171.02x = 34,751.20 × 13,813.68
  4. Step 4: Simplify right side
    23,171.02x = 480,041,956.42
  5. Step 5: Solve for x
    x = 480,041,956.42/23,171.02
  6. Step 6: Final answer
    x = 20,717.34

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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.