Home / 21,763.42-30,050.46-16,719.64

Finding the Fourth Proportional to 21,763.42, 30,050.46 and 16,719.64

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Solution

The fourth proportional to 21,763.42, 30,050.46 and 16,719.64 is: 23,086.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,763.42 : 30,050.46 = 16,719.64 : x
  2. Step 2: Convert to fraction form
    21,763.42/30,050.46 = 16,719.64/x
  3. Step 3: Cross multiply
    21,763.42x = 30,050.46 × 16,719.64
  4. Step 4: Simplify right side
    21,763.42x = 502,432,873.03
  5. Step 5: Solve for x
    x = 502,432,873.03/21,763.42
  6. Step 6: Final answer
    x = 23,086.12

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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.