Home / 19,228.68-26,543.16-13,571.64

Finding the Fourth Proportional to 19,228.68, 26,543.16 and 13,571.64

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Solution

The fourth proportional to 19,228.68, 26,543.16 and 13,571.64 is: 18,734.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,228.68 : 26,543.16 = 13,571.64 : x
  2. Step 2: Convert to fraction form
    19,228.68/26,543.16 = 13,571.64/x
  3. Step 3: Cross multiply
    19,228.68x = 26,543.16 × 13,571.64
  4. Step 4: Simplify right side
    19,228.68x = 360,234,211.98
  5. Step 5: Solve for x
    x = 360,234,211.98/19,228.68
  6. Step 6: Final answer
    x = 18,734.21

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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.