Home / 19,133.52-28,701.24-13,570.98

Finding the Fourth Proportional to 19,133.52, 28,701.24 and 13,570.98

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Solution

The fourth proportional to 19,133.52, 28,701.24 and 13,570.98 is: 20,357.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,133.52 : 28,701.24 = 13,570.98 : x
  2. Step 2: Convert to fraction form
    19,133.52/28,701.24 = 13,570.98/x
  3. Step 3: Cross multiply
    19,133.52x = 28,701.24 × 13,570.98
  4. Step 4: Simplify right side
    19,133.52x = 389,503,954.02
  5. Step 5: Solve for x
    x = 389,503,954.02/19,133.52
  6. Step 6: Final answer
    x = 20,357.15

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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.