Home / 19,277.56-26,609.74-13,247.77

Finding the Fourth Proportional to 19,277.56, 26,609.74 and 13,247.77

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Solution

The fourth proportional to 19,277.56, 26,609.74 and 13,247.77 is: 18,286.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,277.56 : 26,609.74 = 13,247.77 : x
  2. Step 2: Convert to fraction form
    19,277.56/26,609.74 = 13,247.77/x
  3. Step 3: Cross multiply
    19,277.56x = 26,609.74 × 13,247.77
  4. Step 4: Simplify right side
    19,277.56x = 352,519,715.42
  5. Step 5: Solve for x
    x = 352,519,715.42/19,277.56
  6. Step 6: Final answer
    x = 18,286.53

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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.