Home / 14,840.04-20,488.82-13,243.94

Finding the Fourth Proportional to 14,840.04, 20,488.82 and 13,243.94

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Solution

The fourth proportional to 14,840.04, 20,488.82 and 13,243.94 is: 18,285.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,840.04 : 20,488.82 = 13,243.94 : x
  2. Step 2: Convert to fraction form
    14,840.04/20,488.82 = 13,243.94/x
  3. Step 3: Cross multiply
    14,840.04x = 20,488.82 × 13,243.94
  4. Step 4: Simplify right side
    14,840.04x = 271,352,610.92
  5. Step 5: Solve for x
    x = 271,352,610.92/14,840.04
  6. Step 6: Final answer
    x = 18,285.16

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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.