Home / 16,217.08-22,381.72-9,505.35

Finding the Fourth Proportional to 16,217.08, 22,381.72 and 9,505.35

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Solution

The fourth proportional to 16,217.08, 22,381.72 and 9,505.35 is: 13,118.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,217.08 : 22,381.72 = 9,505.35 : x
  2. Step 2: Convert to fraction form
    16,217.08/22,381.72 = 9,505.35/x
  3. Step 3: Cross multiply
    16,217.08x = 22,381.72 × 9,505.35
  4. Step 4: Simplify right side
    16,217.08x = 212,746,058.44
  5. Step 5: Solve for x
    x = 212,746,058.44/16,217.08
  6. Step 6: Final answer
    x = 13,118.64

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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.