Home / 19,189.36-26,473.26-12,472.84

Finding the Fourth Proportional to 19,189.36, 26,473.26 and 12,472.84

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Solution

The fourth proportional to 19,189.36, 26,473.26 and 12,472.84 is: 17,207.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,189.36 : 26,473.26 = 12,472.84 : x
  2. Step 2: Convert to fraction form
    19,189.36/26,473.26 = 12,472.84/x
  3. Step 3: Cross multiply
    19,189.36x = 26,473.26 × 12,472.84
  4. Step 4: Simplify right side
    19,189.36x = 330,196,736.26
  5. Step 5: Solve for x
    x = 330,196,736.26/19,189.36
  6. Step 6: Final answer
    x = 17,207.28

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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.