Home / 19,699.41-27,189.57-12,527.94

Finding the Fourth Proportional to 19,699.41, 27,189.57 and 12,527.94

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Solution

The fourth proportional to 19,699.41, 27,189.57 and 12,527.94 is: 17,291.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,699.41 : 27,189.57 = 12,527.94 : x
  2. Step 2: Convert to fraction form
    19,699.41/27,189.57 = 12,527.94/x
  3. Step 3: Cross multiply
    19,699.41x = 27,189.57 × 12,527.94
  4. Step 4: Simplify right side
    19,699.41x = 340,629,301.59
  5. Step 5: Solve for x
    x = 340,629,301.59/19,699.41
  6. Step 6: Final answer
    x = 17,291.35

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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.