Home / 14,816.36-20,448.48-8,445.27

Finding the Fourth Proportional to 14,816.36, 20,448.48 and 8,445.27

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Solution

The fourth proportional to 14,816.36, 20,448.48 and 8,445.27 is: 11,655.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,816.36 : 20,448.48 = 8,445.27 : x
  2. Step 2: Convert to fraction form
    14,816.36/20,448.48 = 8,445.27/x
  3. Step 3: Cross multiply
    14,816.36x = 20,448.48 × 8,445.27
  4. Step 4: Simplify right side
    14,816.36x = 172,692,934.69
  5. Step 5: Solve for x
    x = 172,692,934.69/14,816.36
  6. Step 6: Final answer
    x = 11,655.56

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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.