Home / 15,482.07-21,365.25-9,194.43

Finding the Fourth Proportional to 15,482.07, 21,365.25 and 9,194.43

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Solution

The fourth proportional to 15,482.07, 21,365.25 and 9,194.43 is: 12,688.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,482.07 : 21,365.25 = 9,194.43 : x
  2. Step 2: Convert to fraction form
    15,482.07/21,365.25 = 9,194.43/x
  3. Step 3: Cross multiply
    15,482.07x = 21,365.25 × 9,194.43
  4. Step 4: Simplify right side
    15,482.07x = 196,441,295.56
  5. Step 5: Solve for x
    x = 196,441,295.56/15,482.07
  6. Step 6: Final answer
    x = 12,688.31

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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.