Home / 20,527.64-30,714.56-14,618.18

Finding the Fourth Proportional to 20,527.64, 30,714.56 and 14,618.18

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Solution

The fourth proportional to 20,527.64, 30,714.56 and 14,618.18 is: 21,872.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,527.64 : 30,714.56 = 14,618.18 : x
  2. Step 2: Convert to fraction form
    20,527.64/30,714.56 = 14,618.18/x
  3. Step 3: Cross multiply
    20,527.64x = 30,714.56 × 14,618.18
  4. Step 4: Simplify right side
    20,527.64x = 448,990,849.67
  5. Step 5: Solve for x
    x = 448,990,849.67/20,527.64
  6. Step 6: Final answer
    x = 21,872.51

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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.