Home / 12,950.03-19,420.15-4,182.59

Finding the Fourth Proportional to 12,950.03, 19,420.15 and 4,182.59

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Solution

The fourth proportional to 12,950.03, 19,420.15 and 4,182.59 is: 6,272.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950.03 : 19,420.15 = 4,182.59 : x
  2. Step 2: Convert to fraction form
    12,950.03/19,420.15 = 4,182.59/x
  3. Step 3: Cross multiply
    12,950.03x = 19,420.15 × 4,182.59
  4. Step 4: Simplify right side
    12,950.03x = 81,226,525.19
  5. Step 5: Solve for x
    x = 81,226,525.19/12,950.03
  6. Step 6: Final answer
    x = 6,272.30

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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.