Home / 14,909.48-20,574.73-8,103.34

Finding the Fourth Proportional to 14,909.48, 20,574.73 and 8,103.34

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Solution

The fourth proportional to 14,909.48, 20,574.73 and 8,103.34 is: 11,182.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,909.48 : 20,574.73 = 8,103.34 : x
  2. Step 2: Convert to fraction form
    14,909.48/20,574.73 = 8,103.34/x
  3. Step 3: Cross multiply
    14,909.48x = 20,574.73 × 8,103.34
  4. Step 4: Simplify right side
    14,909.48x = 166,723,929.92
  5. Step 5: Solve for x
    x = 166,723,929.92/14,909.48
  6. Step 6: Final answer
    x = 11,182.41

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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.