Home / 19,104.57-26,364.40-11,938.65

Finding the Fourth Proportional to 19,104.57, 26,364.40 and 11,938.65

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Solution

The fourth proportional to 19,104.57, 26,364.40 and 11,938.65 is: 16,475.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,104.57 : 26,364.40 = 11,938.65 : x
  2. Step 2: Convert to fraction form
    19,104.57/26,364.40 = 11,938.65/x
  3. Step 3: Cross multiply
    19,104.57x = 26,364.40 × 11,938.65
  4. Step 4: Simplify right side
    19,104.57x = 314,755,212.24
  5. Step 5: Solve for x
    x = 314,755,212.24/19,104.57
  6. Step 6: Final answer
    x = 16,475.39

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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.