Home / 17,666.38-26,499.19-5,186.12

Finding the Fourth Proportional to 17,666.38, 26,499.19 and 5,186.12

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Solution

The fourth proportional to 17,666.38, 26,499.19 and 5,186.12 is: 7,779.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,666.38 : 26,499.19 = 5,186.12 : x
  2. Step 2: Convert to fraction form
    17,666.38/26,499.19 = 5,186.12/x
  3. Step 3: Cross multiply
    17,666.38x = 26,499.19 × 5,186.12
  4. Step 4: Simplify right side
    17,666.38x = 137,428,032.53
  5. Step 5: Solve for x
    x = 137,428,032.53/17,666.38
  6. Step 6: Final answer
    x = 7,779.07

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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.