Home / 15,714.21-23,570.68-5,325.96

Finding the Fourth Proportional to 15,714.21, 23,570.68 and 5,325.96

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Solution

The fourth proportional to 15,714.21, 23,570.68 and 5,325.96 is: 7,988.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,714.21 : 23,570.68 = 5,325.96 : x
  2. Step 2: Convert to fraction form
    15,714.21/23,570.68 = 5,325.96/x
  3. Step 3: Cross multiply
    15,714.21x = 23,570.68 × 5,325.96
  4. Step 4: Simplify right side
    15,714.21x = 125,536,498.85
  5. Step 5: Solve for x
    x = 125,536,498.85/15,714.21
  6. Step 6: Final answer
    x = 7,988.72

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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.