Home / 18,701.44-28,068.30-9,823.01

Finding the Fourth Proportional to 18,701.44, 28,068.30 and 9,823.01

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Solution

The fourth proportional to 18,701.44, 28,068.30 and 9,823.01 is: 14,742.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701.44 : 28,068.30 = 9,823.01 : x
  2. Step 2: Convert to fraction form
    18,701.44/28,068.30 = 9,823.01/x
  3. Step 3: Cross multiply
    18,701.44x = 28,068.30 × 9,823.01
  4. Step 4: Simplify right side
    18,701.44x = 275,715,191.58
  5. Step 5: Solve for x
    x = 275,715,191.58/18,701.44
  6. Step 6: Final answer
    x = 14,742.99

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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.