Home / 19,392.96-29,051.37-12,799.02

Finding the Fourth Proportional to 19,392.96, 29,051.37 and 12,799.02

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Solution

The fourth proportional to 19,392.96, 29,051.37 and 12,799.02 is: 19,173.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,392.96 : 29,051.37 = 12,799.02 : x
  2. Step 2: Convert to fraction form
    19,392.96/29,051.37 = 12,799.02/x
  3. Step 3: Cross multiply
    19,392.96x = 29,051.37 × 12,799.02
  4. Step 4: Simplify right side
    19,392.96x = 371,829,065.66
  5. Step 5: Solve for x
    x = 371,829,065.66/19,392.96
  6. Step 6: Final answer
    x = 19,173.40

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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.