Home / 19,430.78-26,816.84-10,933.27

Finding the Fourth Proportional to 19,430.78, 26,816.84 and 10,933.27

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Solution

The fourth proportional to 19,430.78, 26,816.84 and 10,933.27 is: 15,089.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,430.78 : 26,816.84 = 10,933.27 : x
  2. Step 2: Convert to fraction form
    19,430.78/26,816.84 = 10,933.27/x
  3. Step 3: Cross multiply
    19,430.78x = 26,816.84 × 10,933.27
  4. Step 4: Simplify right side
    19,430.78x = 293,195,712.56
  5. Step 5: Solve for x
    x = 293,195,712.56/19,430.78
  6. Step 6: Final answer
    x = 15,089.24

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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.