Home / 19,068.40-28,610.70-9,202.60

Finding the Fourth Proportional to 19,068.40, 28,610.70 and 9,202.60

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Solution

The fourth proportional to 19,068.40, 28,610.70 and 9,202.60 is: 13,807.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,068.40 : 28,610.70 = 9,202.60 : x
  2. Step 2: Convert to fraction form
    19,068.40/28,610.70 = 9,202.60/x
  3. Step 3: Cross multiply
    19,068.40x = 28,610.70 × 9,202.60
  4. Step 4: Simplify right side
    19,068.40x = 263,292,827.82
  5. Step 5: Solve for x
    x = 263,292,827.82/19,068.40
  6. Step 6: Final answer
    x = 13,807.81

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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.