Home / 19,270.35-26,561.25-12,894.65

Finding the Fourth Proportional to 19,270.35, 26,561.25 and 12,894.65

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Solution

The fourth proportional to 19,270.35, 26,561.25 and 12,894.65 is: 17,773.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,270.35 : 26,561.25 = 12,894.65 : x
  2. Step 2: Convert to fraction form
    19,270.35/26,561.25 = 12,894.65/x
  3. Step 3: Cross multiply
    19,270.35x = 26,561.25 × 12,894.65
  4. Step 4: Simplify right side
    19,270.35x = 342,497,889.51
  5. Step 5: Solve for x
    x = 342,497,889.51/19,270.35
  6. Step 6: Final answer
    x = 17,773.31

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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.