Home / 20,152.17-30,025.71-19,020.38

Finding the Fourth Proportional to 20,152.17, 30,025.71 and 19,020.38

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Solution

The fourth proportional to 20,152.17, 30,025.71 and 19,020.38 is: 28,339.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,152.17 : 30,025.71 = 19,020.38 : x
  2. Step 2: Convert to fraction form
    20,152.17/30,025.71 = 19,020.38/x
  3. Step 3: Cross multiply
    20,152.17x = 30,025.71 × 19,020.38
  4. Step 4: Simplify right side
    20,152.17x = 571,100,263.84
  5. Step 5: Solve for x
    x = 571,100,263.84/20,152.17
  6. Step 6: Final answer
    x = 28,339.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.