Home / 14,719.47-22,078.68-6,399.47

Finding the Fourth Proportional to 14,719.47, 22,078.68 and 6,399.47

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Solution

The fourth proportional to 14,719.47, 22,078.68 and 6,399.47 is: 9,598.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,719.47 : 22,078.68 = 6,399.47 : x
  2. Step 2: Convert to fraction form
    14,719.47/22,078.68 = 6,399.47/x
  3. Step 3: Cross multiply
    14,719.47x = 22,078.68 × 6,399.47
  4. Step 4: Simplify right side
    14,719.47x = 141,291,739.91
  5. Step 5: Solve for x
    x = 141,291,739.91/14,719.47
  6. Step 6: Final answer
    x = 9,598.97

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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.