Home / 16,038.59-22,133.92-8,965

Finding the Fourth Proportional to 16,038.59, 22,133.92 and 8,965

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Solution

The fourth proportional to 16,038.59, 22,133.92 and 8,965 is: 12,372.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,038.59 : 22,133.92 = 8,965 : x
  2. Step 2: Convert to fraction form
    16,038.59/22,133.92 = 8,965/x
  3. Step 3: Cross multiply
    16,038.59x = 22,133.92 × 8,965
  4. Step 4: Simplify right side
    16,038.59x = 198,430,592.80
  5. Step 5: Solve for x
    x = 198,430,592.80/16,038.59
  6. Step 6: Final answer
    x = 12,372.07

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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.