Home / 20,436.71-30,676.93-16,587.59

Finding the Fourth Proportional to 20,436.71, 30,676.93 and 16,587.59

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Solution

The fourth proportional to 20,436.71, 30,676.93 and 16,587.59 is: 24,899.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,436.71 : 30,676.93 = 16,587.59 : x
  2. Step 2: Convert to fraction form
    20,436.71/30,676.93 = 16,587.59/x
  3. Step 3: Cross multiply
    20,436.71x = 30,676.93 × 16,587.59
  4. Step 4: Simplify right side
    20,436.71x = 508,856,142.45
  5. Step 5: Solve for x
    x = 508,856,142.45/20,436.71
  6. Step 6: Final answer
    x = 24,899.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.