Home / 19,285.34-26,613.87-11,223.77

Finding the Fourth Proportional to 19,285.34, 26,613.87 and 11,223.77

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Solution

The fourth proportional to 19,285.34, 26,613.87 and 11,223.77 is: 15,488.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,285.34 : 26,613.87 = 11,223.77 : x
  2. Step 2: Convert to fraction form
    19,285.34/26,613.87 = 11,223.77/x
  3. Step 3: Cross multiply
    19,285.34x = 26,613.87 × 11,223.77
  4. Step 4: Simplify right side
    19,285.34x = 298,707,955.69
  5. Step 5: Solve for x
    x = 298,707,955.69/19,285.34
  6. Step 6: Final answer
    x = 15,488.86

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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.