Home / 19,898.63-27,464.03-11,406.46

Finding the Fourth Proportional to 19,898.63, 27,464.03 and 11,406.46

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Solution

The fourth proportional to 19,898.63, 27,464.03 and 11,406.46 is: 15,743.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,898.63 : 27,464.03 = 11,406.46 : x
  2. Step 2: Convert to fraction form
    19,898.63/27,464.03 = 11,406.46/x
  3. Step 3: Cross multiply
    19,898.63x = 27,464.03 × 11,406.46
  4. Step 4: Simplify right side
    19,898.63x = 313,267,313.65
  5. Step 5: Solve for x
    x = 313,267,313.65/19,898.63
  6. Step 6: Final answer
    x = 15,743.16

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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.