Home / 28,992.19-43,493.75-9,265.45

Finding the Fourth Proportional to 28,992.19, 43,493.75 and 9,265.45

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Solution

The fourth proportional to 28,992.19, 43,493.75 and 9,265.45 is: 13,899.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,992.19 : 43,493.75 = 9,265.45 : x
  2. Step 2: Convert to fraction form
    28,992.19/43,493.75 = 9,265.45/x
  3. Step 3: Cross multiply
    28,992.19x = 43,493.75 × 9,265.45
  4. Step 4: Simplify right side
    28,992.19x = 402,988,902.14
  5. Step 5: Solve for x
    x = 402,988,902.14/28,992.19
  6. Step 6: Final answer
    x = 13,899.91

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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.