Home / 15,047.45-22,605.78-10,615.31

Finding the Fourth Proportional to 15,047.45, 22,605.78 and 10,615.31

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Solution

The fourth proportional to 15,047.45, 22,605.78 and 10,615.31 is: 15,947.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,047.45 : 22,605.78 = 10,615.31 : x
  2. Step 2: Convert to fraction form
    15,047.45/22,605.78 = 10,615.31/x
  3. Step 3: Cross multiply
    15,047.45x = 22,605.78 × 10,615.31
  4. Step 4: Simplify right side
    15,047.45x = 239,967,362.49
  5. Step 5: Solve for x
    x = 239,967,362.49/15,047.45
  6. Step 6: Final answer
    x = 15,947.38

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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.