Home / 15,998.40-24,022.80-9,429.60

Finding the Fourth Proportional to 15,998.40, 24,022.80 and 9,429.60

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Solution

The fourth proportional to 15,998.40, 24,022.80 and 9,429.60 is: 14,159.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,998.40 : 24,022.80 = 9,429.60 : x
  2. Step 2: Convert to fraction form
    15,998.40/24,022.80 = 9,429.60/x
  3. Step 3: Cross multiply
    15,998.40x = 24,022.80 × 9,429.60
  4. Step 4: Simplify right side
    15,998.40x = 226,525,394.88
  5. Step 5: Solve for x
    x = 226,525,394.88/15,998.40
  6. Step 6: Final answer
    x = 14,159.25

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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.