Home / 16,984.63-23,439.06-9,431.45

Finding the Fourth Proportional to 16,984.63, 23,439.06 and 9,431.45

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Solution

The fourth proportional to 16,984.63, 23,439.06 and 9,431.45 is: 13,015.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,984.63 : 23,439.06 = 9,431.45 : x
  2. Step 2: Convert to fraction form
    16,984.63/23,439.06 = 9,431.45/x
  3. Step 3: Cross multiply
    16,984.63x = 23,439.06 × 9,431.45
  4. Step 4: Simplify right side
    16,984.63x = 221,064,322.44
  5. Step 5: Solve for x
    x = 221,064,322.44/16,984.63
  6. Step 6: Final answer
    x = 13,015.55

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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.