Home / 19,412.69-26,783.34-11,342.66

Finding the Fourth Proportional to 19,412.69, 26,783.34 and 11,342.66

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Solution

The fourth proportional to 19,412.69, 26,783.34 and 11,342.66 is: 15,649.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,412.69 : 26,783.34 = 11,342.66 : x
  2. Step 2: Convert to fraction form
    19,412.69/26,783.34 = 11,342.66/x
  3. Step 3: Cross multiply
    19,412.69x = 26,783.34 × 11,342.66
  4. Step 4: Simplify right side
    19,412.69x = 303,794,319.28
  5. Step 5: Solve for x
    x = 303,794,319.28/19,412.69
  6. Step 6: Final answer
    x = 15,649.26

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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.