Home / 16,328.41-22,513.96-15,117.88

Finding the Fourth Proportional to 16,328.41, 22,513.96 and 15,117.88

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Solution

The fourth proportional to 16,328.41, 22,513.96 and 15,117.88 is: 20,844.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,328.41 : 22,513.96 = 15,117.88 : x
  2. Step 2: Convert to fraction form
    16,328.41/22,513.96 = 15,117.88/x
  3. Step 3: Cross multiply
    16,328.41x = 22,513.96 × 15,117.88
  4. Step 4: Simplify right side
    16,328.41x = 340,363,345.60
  5. Step 5: Solve for x
    x = 340,363,345.60/16,328.41
  6. Step 6: Final answer
    x = 20,844.86

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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.