Home / 14,740.10-20,341.48-8,451.26

Finding the Fourth Proportional to 14,740.10, 20,341.48 and 8,451.26

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Solution

The fourth proportional to 14,740.10, 20,341.48 and 8,451.26 is: 11,662.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,740.10 : 20,341.48 = 8,451.26 : x
  2. Step 2: Convert to fraction form
    14,740.10/20,341.48 = 8,451.26/x
  3. Step 3: Cross multiply
    14,740.10x = 20,341.48 × 8,451.26
  4. Step 4: Simplify right side
    14,740.10x = 171,911,197.68
  5. Step 5: Solve for x
    x = 171,911,197.68/14,740.10
  6. Step 6: Final answer
    x = 11,662.82

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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.