Home / 22,169.64-30,594.06-12,738.18

Finding the Fourth Proportional to 22,169.64, 30,594.06 and 12,738.18

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Solution

The fourth proportional to 22,169.64, 30,594.06 and 12,738.18 is: 17,578.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,169.64 : 30,594.06 = 12,738.18 : x
  2. Step 2: Convert to fraction form
    22,169.64/30,594.06 = 12,738.18/x
  3. Step 3: Cross multiply
    22,169.64x = 30,594.06 × 12,738.18
  4. Step 4: Simplify right side
    22,169.64x = 389,712,643.21
  5. Step 5: Solve for x
    x = 389,712,643.21/22,169.64
  6. Step 6: Final answer
    x = 17,578.66

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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.