Home / 12,975.69-19,464.02-4,540.55

Finding the Fourth Proportional to 12,975.69, 19,464.02 and 4,540.55

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Solution

The fourth proportional to 12,975.69, 19,464.02 and 4,540.55 is: 6,810.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,975.69 : 19,464.02 = 4,540.55 : x
  2. Step 2: Convert to fraction form
    12,975.69/19,464.02 = 4,540.55/x
  3. Step 3: Cross multiply
    12,975.69x = 19,464.02 × 4,540.55
  4. Step 4: Simplify right side
    12,975.69x = 88,377,356.01
  5. Step 5: Solve for x
    x = 88,377,356.01/12,975.69
  6. Step 6: Final answer
    x = 6,810.99

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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.