Home / 19,015.58-28,516.08-13,154.42

Finding the Fourth Proportional to 19,015.58, 28,516.08 and 13,154.42

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Solution

The fourth proportional to 19,015.58, 28,516.08 and 13,154.42 is: 19,726.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,015.58 : 28,516.08 = 13,154.42 : x
  2. Step 2: Convert to fraction form
    19,015.58/28,516.08 = 13,154.42/x
  3. Step 3: Cross multiply
    19,015.58x = 28,516.08 × 13,154.42
  4. Step 4: Simplify right side
    19,015.58x = 375,112,493.07
  5. Step 5: Solve for x
    x = 375,112,493.07/19,015.58
  6. Step 6: Final answer
    x = 19,726.59

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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.