Home / 19,685.08-27,167.70-11,302.12

Finding the Fourth Proportional to 19,685.08, 27,167.70 and 11,302.12

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Solution

The fourth proportional to 19,685.08, 27,167.70 and 11,302.12 is: 15,598.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,685.08 : 27,167.70 = 11,302.12 : x
  2. Step 2: Convert to fraction form
    19,685.08/27,167.70 = 11,302.12/x
  3. Step 3: Cross multiply
    19,685.08x = 27,167.70 × 11,302.12
  4. Step 4: Simplify right side
    19,685.08x = 307,052,605.52
  5. Step 5: Solve for x
    x = 307,052,605.52/19,685.08
  6. Step 6: Final answer
    x = 15,598.24

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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.