Home / 28,170.01-42,260.04-9,456.14

Finding the Fourth Proportional to 28,170.01, 42,260.04 and 9,456.14

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Solution

The fourth proportional to 28,170.01, 42,260.04 and 9,456.14 is: 14,185.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,170.01 : 42,260.04 = 9,456.14 : x
  2. Step 2: Convert to fraction form
    28,170.01/42,260.04 = 9,456.14/x
  3. Step 3: Cross multiply
    28,170.01x = 42,260.04 × 9,456.14
  4. Step 4: Simplify right side
    28,170.01x = 399,616,596.06
  5. Step 5: Solve for x
    x = 399,616,596.06/28,170.01
  6. Step 6: Final answer
    x = 14,185.89

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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.