Home / 18,267.23-25,208.74-9,883.73

Finding the Fourth Proportional to 18,267.23, 25,208.74 and 9,883.73

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Solution

The fourth proportional to 18,267.23, 25,208.74 and 9,883.73 is: 13,639.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,267.23 : 25,208.74 = 9,883.73 : x
  2. Step 2: Convert to fraction form
    18,267.23/25,208.74 = 9,883.73/x
  3. Step 3: Cross multiply
    18,267.23x = 25,208.74 × 9,883.73
  4. Step 4: Simplify right side
    18,267.23x = 249,156,455.18
  5. Step 5: Solve for x
    x = 249,156,455.18/18,267.23
  6. Step 6: Final answer
    x = 13,639.53

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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.