Home / 15,754.02-21,740.49-8,584.33

Finding the Fourth Proportional to 15,754.02, 21,740.49 and 8,584.33

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Solution

The fourth proportional to 15,754.02, 21,740.49 and 8,584.33 is: 11,846.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,754.02 : 21,740.49 = 8,584.33 : x
  2. Step 2: Convert to fraction form
    15,754.02/21,740.49 = 8,584.33/x
  3. Step 3: Cross multiply
    15,754.02x = 21,740.49 × 8,584.33
  4. Step 4: Simplify right side
    15,754.02x = 186,627,486.17
  5. Step 5: Solve for x
    x = 186,627,486.17/15,754.02
  6. Step 6: Final answer
    x = 11,846.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.