Home / 19,289.63-28,937.90-6,816.89

Finding the Fourth Proportional to 19,289.63, 28,937.90 and 6,816.89

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Solution

The fourth proportional to 19,289.63, 28,937.90 and 6,816.89 is: 10,226.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,289.63 : 28,937.90 = 6,816.89 : x
  2. Step 2: Convert to fraction form
    19,289.63/28,937.90 = 6,816.89/x
  3. Step 3: Cross multiply
    19,289.63x = 28,937.90 × 6,816.89
  4. Step 4: Simplify right side
    19,289.63x = 197,266,599.21
  5. Step 5: Solve for x
    x = 197,266,599.21/19,289.63
  6. Step 6: Final answer
    x = 10,226.56

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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.