Home / 15,190.83-22,779.54-6,870.51

Finding the Fourth Proportional to 15,190.83, 22,779.54 and 6,870.51

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Solution

The fourth proportional to 15,190.83, 22,779.54 and 6,870.51 is: 10,302.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,190.83 : 22,779.54 = 6,870.51 : x
  2. Step 2: Convert to fraction form
    15,190.83/22,779.54 = 6,870.51/x
  3. Step 3: Cross multiply
    15,190.83x = 22,779.54 × 6,870.51
  4. Step 4: Simplify right side
    15,190.83x = 156,507,057.37
  5. Step 5: Solve for x
    x = 156,507,057.37/15,190.83
  6. Step 6: Final answer
    x = 10,302.73

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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.