Home / 19,913.58-29,851.66-6,756.75

Finding the Fourth Proportional to 19,913.58, 29,851.66 and 6,756.75

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Solution

The fourth proportional to 19,913.58, 29,851.66 and 6,756.75 is: 10,128.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,913.58 : 29,851.66 = 6,756.75 : x
  2. Step 2: Convert to fraction form
    19,913.58/29,851.66 = 6,756.75/x
  3. Step 3: Cross multiply
    19,913.58x = 29,851.66 × 6,756.75
  4. Step 4: Simplify right side
    19,913.58x = 201,700,203.71
  5. Step 5: Solve for x
    x = 201,700,203.71/19,913.58
  6. Step 6: Final answer
    x = 10,128.78

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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.