Home / 20,038.49-27,653.87-10,964.46

Finding the Fourth Proportional to 20,038.49, 27,653.87 and 10,964.46

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Solution

The fourth proportional to 20,038.49, 27,653.87 and 10,964.46 is: 15,131.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,038.49 : 27,653.87 = 10,964.46 : x
  2. Step 2: Convert to fraction form
    20,038.49/27,653.87 = 10,964.46/x
  3. Step 3: Cross multiply
    20,038.49x = 27,653.87 × 10,964.46
  4. Step 4: Simplify right side
    20,038.49x = 303,209,751.46
  5. Step 5: Solve for x
    x = 303,209,751.46/20,038.49
  6. Step 6: Final answer
    x = 15,131.37

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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.