Home / 19,574.18-27,022.35-12,411.35

Finding the Fourth Proportional to 19,574.18, 27,022.35 and 12,411.35

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Solution

The fourth proportional to 19,574.18, 27,022.35 and 12,411.35 is: 17,133.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,574.18 : 27,022.35 = 12,411.35 : x
  2. Step 2: Convert to fraction form
    19,574.18/27,022.35 = 12,411.35/x
  3. Step 3: Cross multiply
    19,574.18x = 27,022.35 × 12,411.35
  4. Step 4: Simplify right side
    19,574.18x = 335,383,708.56
  5. Step 5: Solve for x
    x = 335,383,708.56/19,574.18
  6. Step 6: Final answer
    x = 17,133.99

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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.