Home / 19,934.56-27,501.42-12,378.34

Finding the Fourth Proportional to 19,934.56, 27,501.42 and 12,378.34

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Solution

The fourth proportional to 19,934.56, 27,501.42 and 12,378.34 is: 17,076.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,934.56 : 27,501.42 = 12,378.34 : x
  2. Step 2: Convert to fraction form
    19,934.56/27,501.42 = 12,378.34/x
  3. Step 3: Cross multiply
    19,934.56x = 27,501.42 × 12,378.34
  4. Step 4: Simplify right side
    19,934.56x = 340,421,927.24
  5. Step 5: Solve for x
    x = 340,421,927.24/19,934.56
  6. Step 6: Final answer
    x = 17,076.97

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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.