Home / 14,045.08-19,383.76-8,666.44

Finding the Fourth Proportional to 14,045.08, 19,383.76 and 8,666.44

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Solution

The fourth proportional to 14,045.08, 19,383.76 and 8,666.44 is: 11,960.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,045.08 : 19,383.76 = 8,666.44 : x
  2. Step 2: Convert to fraction form
    14,045.08/19,383.76 = 8,666.44/x
  3. Step 3: Cross multiply
    14,045.08x = 19,383.76 × 8,666.44
  4. Step 4: Simplify right side
    14,045.08x = 167,988,193.01
  5. Step 5: Solve for x
    x = 167,988,193.01/14,045.08
  6. Step 6: Final answer
    x = 11,960.64

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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.