Home / 14,820.62-20,446.29-9,714.74

Finding the Fourth Proportional to 14,820.62, 20,446.29 and 9,714.74

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Solution

The fourth proportional to 14,820.62, 20,446.29 and 9,714.74 is: 13,402.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,820.62 : 20,446.29 = 9,714.74 : x
  2. Step 2: Convert to fraction form
    14,820.62/20,446.29 = 9,714.74/x
  3. Step 3: Cross multiply
    14,820.62x = 20,446.29 × 9,714.74
  4. Step 4: Simplify right side
    14,820.62x = 198,630,289.08
  5. Step 5: Solve for x
    x = 198,630,289.08/14,820.62
  6. Step 6: Final answer
    x = 13,402.30

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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.