Home / 27,186.29-37,499.80-19,643.69

Finding the Fourth Proportional to 27,186.29, 37,499.80 and 19,643.69

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Solution

The fourth proportional to 27,186.29, 37,499.80 and 19,643.69 is: 27,095.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,186.29 : 37,499.80 = 19,643.69 : x
  2. Step 2: Convert to fraction form
    27,186.29/37,499.80 = 19,643.69/x
  3. Step 3: Cross multiply
    27,186.29x = 37,499.80 × 19,643.69
  4. Step 4: Simplify right side
    27,186.29x = 736,634,446.26
  5. Step 5: Solve for x
    x = 736,634,446.26/27,186.29
  6. Step 6: Final answer
    x = 27,095.81

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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.