Home / 16,638.66-22,961.40-9,085.05

Finding the Fourth Proportional to 16,638.66, 22,961.40 and 9,085.05

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Solution

The fourth proportional to 16,638.66, 22,961.40 and 9,085.05 is: 12,537.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,638.66 : 22,961.40 = 9,085.05 : x
  2. Step 2: Convert to fraction form
    16,638.66/22,961.40 = 9,085.05/x
  3. Step 3: Cross multiply
    16,638.66x = 22,961.40 × 9,085.05
  4. Step 4: Simplify right side
    16,638.66x = 208,605,519.11
  5. Step 5: Solve for x
    x = 208,605,519.11/16,638.66
  6. Step 6: Final answer
    x = 12,537.40

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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.