Home / 12,980.41-19,468.23-4,548.13

Finding the Fourth Proportional to 12,980.41, 19,468.23 and 4,548.13

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Solution

The fourth proportional to 12,980.41, 19,468.23 and 4,548.13 is: 6,821.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,980.41 : 19,468.23 = 4,548.13 : x
  2. Step 2: Convert to fraction form
    12,980.41/19,468.23 = 4,548.13/x
  3. Step 3: Cross multiply
    12,980.41x = 19,468.23 × 4,548.13
  4. Step 4: Simplify right side
    12,980.41x = 88,544,040.91
  5. Step 5: Solve for x
    x = 88,544,040.91/12,980.41
  6. Step 6: Final answer
    x = 6,821.36

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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.