Home / 17,776.12-26,663.10-7,387.96

Finding the Fourth Proportional to 17,776.12, 26,663.10 and 7,387.96

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Solution

The fourth proportional to 17,776.12, 26,663.10 and 7,387.96 is: 11,081.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,776.12 : 26,663.10 = 7,387.96 : x
  2. Step 2: Convert to fraction form
    17,776.12/26,663.10 = 7,387.96/x
  3. Step 3: Cross multiply
    17,776.12x = 26,663.10 × 7,387.96
  4. Step 4: Simplify right side
    17,776.12x = 196,985,916.28
  5. Step 5: Solve for x
    x = 196,985,916.28/17,776.12
  6. Step 6: Final answer
    x = 11,081.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.