Home / 19,985.98-29,973.75-5,942.23

Finding the Fourth Proportional to 19,985.98, 29,973.75 and 5,942.23

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Solution

The fourth proportional to 19,985.98, 29,973.75 and 5,942.23 is: 8,911.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,985.98 : 29,973.75 = 5,942.23 : x
  2. Step 2: Convert to fraction form
    19,985.98/29,973.75 = 5,942.23/x
  3. Step 3: Cross multiply
    19,985.98x = 29,973.75 × 5,942.23
  4. Step 4: Simplify right side
    19,985.98x = 178,110,819.24
  5. Step 5: Solve for x
    x = 178,110,819.24/19,985.98
  6. Step 6: Final answer
    x = 8,911.79

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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.