Home / 16,989.20-23,444.32-9,436.01

Finding the Fourth Proportional to 16,989.20, 23,444.32 and 9,436.01

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Solution

The fourth proportional to 16,989.20, 23,444.32 and 9,436.01 is: 13,021.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,989.20 : 23,444.32 = 9,436.01 : x
  2. Step 2: Convert to fraction form
    16,989.20/23,444.32 = 9,436.01/x
  3. Step 3: Cross multiply
    16,989.20x = 23,444.32 × 9,436.01
  4. Step 4: Simplify right side
    16,989.20x = 221,220,790.78
  5. Step 5: Solve for x
    x = 221,220,790.78/16,989.20
  6. Step 6: Final answer
    x = 13,021.26

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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.