Home / 19,823.14-29,714.66-12,432.76

Finding the Fourth Proportional to 19,823.14, 29,714.66 and 12,432.76

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Solution

The fourth proportional to 19,823.14, 29,714.66 and 12,432.76 is: 18,636.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,823.14 : 29,714.66 = 12,432.76 : x
  2. Step 2: Convert to fraction form
    19,823.14/29,714.66 = 12,432.76/x
  3. Step 3: Cross multiply
    19,823.14x = 29,714.66 × 12,432.76
  4. Step 4: Simplify right side
    19,823.14x = 369,435,146.43
  5. Step 5: Solve for x
    x = 369,435,146.43/19,823.14
  6. Step 6: Final answer
    x = 18,636.56

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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.