Home / 30,825.90-46,207.17-13,280.94

Finding the Fourth Proportional to 30,825.90, 46,207.17 and 13,280.94

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Solution

The fourth proportional to 30,825.90, 46,207.17 and 13,280.94 is: 19,907.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,825.90 : 46,207.17 = 13,280.94 : x
  2. Step 2: Convert to fraction form
    30,825.90/46,207.17 = 13,280.94/x
  3. Step 3: Cross multiply
    30,825.90x = 46,207.17 × 13,280.94
  4. Step 4: Simplify right side
    30,825.90x = 613,674,652.34
  5. Step 5: Solve for x
    x = 613,674,652.34/30,825.90
  6. Step 6: Final answer
    x = 19,907.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.