Home / 19,552.32-26,970.12-11,999.88

Finding the Fourth Proportional to 19,552.32, 26,970.12 and 11,999.88

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Solution

The fourth proportional to 19,552.32, 26,970.12 and 11,999.88 is: 16,552.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,552.32 : 26,970.12 = 11,999.88 : x
  2. Step 2: Convert to fraction form
    19,552.32/26,970.12 = 11,999.88/x
  3. Step 3: Cross multiply
    19,552.32x = 26,970.12 × 11,999.88
  4. Step 4: Simplify right side
    19,552.32x = 323,638,203.59
  5. Step 5: Solve for x
    x = 323,638,203.59/19,552.32
  6. Step 6: Final answer
    x = 16,552.42

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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.