Home / 20,460.62-28,263.45-16,040.18

Finding the Fourth Proportional to 20,460.62, 28,263.45 and 16,040.18

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Solution

The fourth proportional to 20,460.62, 28,263.45 and 16,040.18 is: 22,157.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,460.62 : 28,263.45 = 16,040.18 : x
  2. Step 2: Convert to fraction form
    20,460.62/28,263.45 = 16,040.18/x
  3. Step 3: Cross multiply
    20,460.62x = 28,263.45 × 16,040.18
  4. Step 4: Simplify right side
    20,460.62x = 453,350,825.42
  5. Step 5: Solve for x
    x = 453,350,825.42/20,460.62
  6. Step 6: Final answer
    x = 22,157.24

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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.