Home / 14,741.84-20,344.02-8,774.30

Finding the Fourth Proportional to 14,741.84, 20,344.02 and 8,774.30

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Solution

The fourth proportional to 14,741.84, 20,344.02 and 8,774.30 is: 12,108.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,741.84 : 20,344.02 = 8,774.30 : x
  2. Step 2: Convert to fraction form
    14,741.84/20,344.02 = 8,774.30/x
  3. Step 3: Cross multiply
    14,741.84x = 20,344.02 × 8,774.30
  4. Step 4: Simplify right side
    14,741.84x = 178,504,534.69
  5. Step 5: Solve for x
    x = 178,504,534.69/14,741.84
  6. Step 6: Final answer
    x = 12,108.70

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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.