Home / 14,548.14-21,820.98-5,780.70

Finding the Fourth Proportional to 14,548.14, 21,820.98 and 5,780.70

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Solution

The fourth proportional to 14,548.14, 21,820.98 and 5,780.70 is: 8,670.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,548.14 : 21,820.98 = 5,780.70 : x
  2. Step 2: Convert to fraction form
    14,548.14/21,820.98 = 5,780.70/x
  3. Step 3: Cross multiply
    14,548.14x = 21,820.98 × 5,780.70
  4. Step 4: Simplify right side
    14,548.14x = 126,140,539.09
  5. Step 5: Solve for x
    x = 126,140,539.09/14,548.14
  6. Step 6: Final answer
    x = 8,670.56

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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.