Home / 16,985.96-23,440.32-9,432.32

Finding the Fourth Proportional to 16,985.96, 23,440.32 and 9,432.32

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Solution

The fourth proportional to 16,985.96, 23,440.32 and 9,432.32 is: 13,016.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,985.96 : 23,440.32 = 9,432.32 : x
  2. Step 2: Convert to fraction form
    16,985.96/23,440.32 = 9,432.32/x
  3. Step 3: Cross multiply
    16,985.96x = 23,440.32 × 9,432.32
  4. Step 4: Simplify right side
    16,985.96x = 221,096,599.14
  5. Step 5: Solve for x
    x = 221,096,599.14/16,985.96
  6. Step 6: Final answer
    x = 13,016.43

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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.