Home / 12,565.24-18,850.29-4,779.52

Finding the Fourth Proportional to 12,565.24, 18,850.29 and 4,779.52

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Solution

The fourth proportional to 12,565.24, 18,850.29 and 4,779.52 is: 7,170.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,565.24 : 18,850.29 = 4,779.52 : x
  2. Step 2: Convert to fraction form
    12,565.24/18,850.29 = 4,779.52/x
  3. Step 3: Cross multiply
    12,565.24x = 18,850.29 × 4,779.52
  4. Step 4: Simplify right side
    12,565.24x = 90,095,338.06
  5. Step 5: Solve for x
    x = 90,095,338.06/12,565.24
  6. Step 6: Final answer
    x = 7,170.20

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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.