Home / 12,975.19-19,463.27-4,540.05

Finding the Fourth Proportional to 12,975.19, 19,463.27 and 4,540.05

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Solution

The fourth proportional to 12,975.19, 19,463.27 and 4,540.05 is: 6,810.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,975.19 : 19,463.27 = 4,540.05 : x
  2. Step 2: Convert to fraction form
    12,975.19/19,463.27 = 4,540.05/x
  3. Step 3: Cross multiply
    12,975.19x = 19,463.27 × 4,540.05
  4. Step 4: Simplify right side
    12,975.19x = 88,364,218.96
  5. Step 5: Solve for x
    x = 88,364,218.96/12,975.19
  6. Step 6: Final answer
    x = 6,810.24

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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.