Home / 28,363.88-42,548.82-11,725.16

Finding the Fourth Proportional to 28,363.88, 42,548.82 and 11,725.16

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Solution

The fourth proportional to 28,363.88, 42,548.82 and 11,725.16 is: 17,588.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,363.88 : 42,548.82 = 11,725.16 : x
  2. Step 2: Convert to fraction form
    28,363.88/42,548.82 = 11,725.16/x
  3. Step 3: Cross multiply
    28,363.88x = 42,548.82 × 11,725.16
  4. Step 4: Simplify right side
    28,363.88x = 498,891,722.31
  5. Step 5: Solve for x
    x = 498,891,722.31/28,363.88
  6. Step 6: Final answer
    x = 17,588.98

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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.