Home / 19,470.36-29,168.61-11,556.15

Finding the Fourth Proportional to 19,470.36, 29,168.61 and 11,556.15

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Solution

The fourth proportional to 19,470.36, 29,168.61 and 11,556.15 is: 17,312.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,470.36 : 29,168.61 = 11,556.15 : x
  2. Step 2: Convert to fraction form
    19,470.36/29,168.61 = 11,556.15/x
  3. Step 3: Cross multiply
    19,470.36x = 29,168.61 × 11,556.15
  4. Step 4: Simplify right side
    19,470.36x = 337,076,832.45
  5. Step 5: Solve for x
    x = 337,076,832.45/19,470.36
  6. Step 6: Final answer
    x = 17,312.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.