Home / 20,336.94-28,041.06-16,300.53

Finding the Fourth Proportional to 20,336.94, 28,041.06 and 16,300.53

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Solution

The fourth proportional to 20,336.94, 28,041.06 and 16,300.53 is: 22,475.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,336.94 : 28,041.06 = 16,300.53 : x
  2. Step 2: Convert to fraction form
    20,336.94/28,041.06 = 16,300.53/x
  3. Step 3: Cross multiply
    20,336.94x = 28,041.06 × 16,300.53
  4. Step 4: Simplify right side
    20,336.94x = 457,084,200.89
  5. Step 5: Solve for x
    x = 457,084,200.89/20,336.94
  6. Step 6: Final answer
    x = 22,475.56

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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.