Home / 23,143.04-34,714.56-5,612.87

Finding the Fourth Proportional to 23,143.04, 34,714.56 and 5,612.87

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Solution

The fourth proportional to 23,143.04, 34,714.56 and 5,612.87 is: 8,419.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,143.04 : 34,714.56 = 5,612.87 : x
  2. Step 2: Convert to fraction form
    23,143.04/34,714.56 = 5,612.87/x
  3. Step 3: Cross multiply
    23,143.04x = 34,714.56 × 5,612.87
  4. Step 4: Simplify right side
    23,143.04x = 194,848,268.99
  5. Step 5: Solve for x
    x = 194,848,268.99/23,143.04
  6. Step 6: Final answer
    x = 8,419.30

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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.