Home / 19,973.94-27,574.02-12,422.70

Finding the Fourth Proportional to 19,973.94, 27,574.02 and 12,422.70

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Solution

The fourth proportional to 19,973.94, 27,574.02 and 12,422.70 is: 17,149.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,973.94 : 27,574.02 = 12,422.70 : x
  2. Step 2: Convert to fraction form
    19,973.94/27,574.02 = 12,422.70/x
  3. Step 3: Cross multiply
    19,973.94x = 27,574.02 × 12,422.70
  4. Step 4: Simplify right side
    19,973.94x = 342,543,778.25
  5. Step 5: Solve for x
    x = 342,543,778.25/19,973.94
  6. Step 6: Final answer
    x = 17,149.53

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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.