Home / 16,148.90-22,285.29-9,435.56

Finding the Fourth Proportional to 16,148.90, 22,285.29 and 9,435.56

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Solution

The fourth proportional to 16,148.90, 22,285.29 and 9,435.56 is: 13,020.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,148.90 : 22,285.29 = 9,435.56 : x
  2. Step 2: Convert to fraction form
    16,148.90/22,285.29 = 9,435.56/x
  3. Step 3: Cross multiply
    16,148.90x = 22,285.29 × 9,435.56
  4. Step 4: Simplify right side
    16,148.90x = 210,274,114.87
  5. Step 5: Solve for x
    x = 210,274,114.87/16,148.90
  6. Step 6: Final answer
    x = 13,020.95

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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.