Home / 21,594.12-29,802.54-12,163.32

Finding the Fourth Proportional to 21,594.12, 29,802.54 and 12,163.32

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Solution

The fourth proportional to 21,594.12, 29,802.54 and 12,163.32 is: 16,786.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,594.12 : 29,802.54 = 12,163.32 : x
  2. Step 2: Convert to fraction form
    21,594.12/29,802.54 = 12,163.32/x
  3. Step 3: Cross multiply
    21,594.12x = 29,802.54 × 12,163.32
  4. Step 4: Simplify right side
    21,594.12x = 362,497,830.83
  5. Step 5: Solve for x
    x = 362,497,830.83/21,594.12
  6. Step 6: Final answer
    x = 16,786.88

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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.