Home / 15,940.70-22,003.64-9,653.07

Finding the Fourth Proportional to 15,940.70, 22,003.64 and 9,653.07

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Solution

The fourth proportional to 15,940.70, 22,003.64 and 9,653.07 is: 13,324.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,940.70 : 22,003.64 = 9,653.07 : x
  2. Step 2: Convert to fraction form
    15,940.70/22,003.64 = 9,653.07/x
  3. Step 3: Cross multiply
    15,940.70x = 22,003.64 × 9,653.07
  4. Step 4: Simplify right side
    15,940.70x = 212,402,628.91
  5. Step 5: Solve for x
    x = 212,402,628.91/15,940.70
  6. Step 6: Final answer
    x = 13,324.55

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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.