Home / 14,646.24-20,221.14-9,619.36

Finding the Fourth Proportional to 14,646.24, 20,221.14 and 9,619.36

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Solution

The fourth proportional to 14,646.24, 20,221.14 and 9,619.36 is: 13,280.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,646.24 : 20,221.14 = 9,619.36 : x
  2. Step 2: Convert to fraction form
    14,646.24/20,221.14 = 9,619.36/x
  3. Step 3: Cross multiply
    14,646.24x = 20,221.14 × 9,619.36
  4. Step 4: Simplify right side
    14,646.24x = 194,514,425.27
  5. Step 5: Solve for x
    x = 194,514,425.27/14,646.24
  6. Step 6: Final answer
    x = 13,280.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.