Home / 19,235.12-28,903.41-10,357.01

Finding the Fourth Proportional to 19,235.12, 28,903.41 and 10,357.01

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Solution

The fourth proportional to 19,235.12, 28,903.41 and 10,357.01 is: 15,562.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,235.12 : 28,903.41 = 10,357.01 : x
  2. Step 2: Convert to fraction form
    19,235.12/28,903.41 = 10,357.01/x
  3. Step 3: Cross multiply
    19,235.12x = 28,903.41 × 10,357.01
  4. Step 4: Simplify right side
    19,235.12x = 299,352,761.89
  5. Step 5: Solve for x
    x = 299,352,761.89/19,235.12
  6. Step 6: Final answer
    x = 15,562.83

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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.