Home / 13,656.27-18,798.26-11,774.08

Finding the Fourth Proportional to 13,656.27, 18,798.26 and 11,774.08

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Solution

The fourth proportional to 13,656.27, 18,798.26 and 11,774.08 is: 16,207.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656.27 : 18,798.26 = 11,774.08 : x
  2. Step 2: Convert to fraction form
    13,656.27/18,798.26 = 11,774.08/x
  3. Step 3: Cross multiply
    13,656.27x = 18,798.26 × 11,774.08
  4. Step 4: Simplify right side
    13,656.27x = 221,332,217.10
  5. Step 5: Solve for x
    x = 221,332,217.10/13,656.27
  6. Step 6: Final answer
    x = 16,207.37

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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.