Home / 19,494.69-26,871.08-15,238.23

Finding the Fourth Proportional to 19,494.69, 26,871.08 and 15,238.23

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Solution

The fourth proportional to 19,494.69, 26,871.08 and 15,238.23 is: 21,004.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,494.69 : 26,871.08 = 15,238.23 : x
  2. Step 2: Convert to fraction form
    19,494.69/26,871.08 = 15,238.23/x
  3. Step 3: Cross multiply
    19,494.69x = 26,871.08 × 15,238.23
  4. Step 4: Simplify right side
    19,494.69x = 409,467,621.20
  5. Step 5: Solve for x
    x = 409,467,621.20/19,494.69
  6. Step 6: Final answer
    x = 21,004.06

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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.