Home / 16,168.71-22,312.26-8,998.39

Finding the Fourth Proportional to 16,168.71, 22,312.26 and 8,998.39

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Solution

The fourth proportional to 16,168.71, 22,312.26 and 8,998.39 is: 12,417.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,168.71 : 22,312.26 = 8,998.39 : x
  2. Step 2: Convert to fraction form
    16,168.71/22,312.26 = 8,998.39/x
  3. Step 3: Cross multiply
    16,168.71x = 22,312.26 × 8,998.39
  4. Step 4: Simplify right side
    16,168.71x = 200,774,445.15
  5. Step 5: Solve for x
    x = 200,774,445.15/16,168.71
  6. Step 6: Final answer
    x = 12,417.47

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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.