Home / 28,254.33-42,329.84-13,233.87

Finding the Fourth Proportional to 28,254.33, 42,329.84 and 13,233.87

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Solution

The fourth proportional to 28,254.33, 42,329.84 and 13,233.87 is: 19,826.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,254.33 : 42,329.84 = 13,233.87 : x
  2. Step 2: Convert to fraction form
    28,254.33/42,329.84 = 13,233.87/x
  3. Step 3: Cross multiply
    28,254.33x = 42,329.84 × 13,233.87
  4. Step 4: Simplify right side
    28,254.33x = 560,187,533.51
  5. Step 5: Solve for x
    x = 560,187,533.51/28,254.33
  6. Step 6: Final answer
    x = 19,826.61

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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.