Home / 20,336.56-28,040.55-16,300.16

Finding the Fourth Proportional to 20,336.56, 28,040.55 and 16,300.16

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Solution

The fourth proportional to 20,336.56, 28,040.55 and 16,300.16 is: 22,475.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,336.56 : 28,040.55 = 16,300.16 : x
  2. Step 2: Convert to fraction form
    20,336.56/28,040.55 = 16,300.16/x
  3. Step 3: Cross multiply
    20,336.56x = 28,040.55 × 16,300.16
  4. Step 4: Simplify right side
    20,336.56x = 457,065,311.29
  5. Step 5: Solve for x
    x = 457,065,311.29/20,336.56
  6. Step 6: Final answer
    x = 22,475.06

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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.