Home / 28,450.13-42,675.19-7,673.63

Finding the Fourth Proportional to 28,450.13, 42,675.19 and 7,673.63

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Solution

The fourth proportional to 28,450.13, 42,675.19 and 7,673.63 is: 11,510.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,450.13 : 42,675.19 = 7,673.63 : x
  2. Step 2: Convert to fraction form
    28,450.13/42,675.19 = 7,673.63/x
  3. Step 3: Cross multiply
    28,450.13x = 42,675.19 × 7,673.63
  4. Step 4: Simplify right side
    28,450.13x = 327,473,618.24
  5. Step 5: Solve for x
    x = 327,473,618.24/28,450.13
  6. Step 6: Final answer
    x = 11,510.44

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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.