Home / 20,599.41-28,399.70-16,364.52

Finding the Fourth Proportional to 20,599.41, 28,399.70 and 16,364.52

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Solution

The fourth proportional to 20,599.41, 28,399.70 and 16,364.52 is: 22,561.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,599.41 : 28,399.70 = 16,364.52 : x
  2. Step 2: Convert to fraction form
    20,599.41/28,399.70 = 16,364.52/x
  3. Step 3: Cross multiply
    20,599.41x = 28,399.70 × 16,364.52
  4. Step 4: Simplify right side
    20,599.41x = 464,747,376.82
  5. Step 5: Solve for x
    x = 464,747,376.82/20,599.41
  6. Step 6: Final answer
    x = 22,561.20

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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.