Home / 51,007.45-76,511.08-13,567.56

Finding the Fourth Proportional to 51,007.45, 76,511.08 and 13,567.56

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Solution

The fourth proportional to 51,007.45, 76,511.08 and 13,567.56 is: 20,351.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,007.45 : 76,511.08 = 13,567.56 : x
  2. Step 2: Convert to fraction form
    51,007.45/76,511.08 = 13,567.56/x
  3. Step 3: Cross multiply
    51,007.45x = 76,511.08 × 13,567.56
  4. Step 4: Simplify right side
    51,007.45x = 1,038,068,921.56
  5. Step 5: Solve for x
    x = 1,038,068,921.56/51,007.45
  6. Step 6: Final answer
    x = 20,351.32

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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.