Home / 14,380.54-21,570.80-4,520.68

Finding the Fourth Proportional to 14,380.54, 21,570.80 and 4,520.68

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Solution

The fourth proportional to 14,380.54, 21,570.80 and 4,520.68 is: 6,781.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,380.54 : 21,570.80 = 4,520.68 : x
  2. Step 2: Convert to fraction form
    14,380.54/21,570.80 = 4,520.68/x
  3. Step 3: Cross multiply
    14,380.54x = 21,570.80 × 4,520.68
  4. Step 4: Simplify right side
    14,380.54x = 97,514,684.14
  5. Step 5: Solve for x
    x = 97,514,684.14/14,380.54
  6. Step 6: Final answer
    x = 6,781.02

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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.