Home / 14,530.84-21,789.74-4,140.12

Finding the Fourth Proportional to 14,530.84, 21,789.74 and 4,140.12

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Solution

The fourth proportional to 14,530.84, 21,789.74 and 4,140.12 is: 6,208.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,530.84 : 21,789.74 = 4,140.12 : x
  2. Step 2: Convert to fraction form
    14,530.84/21,789.74 = 4,140.12/x
  3. Step 3: Cross multiply
    14,530.84x = 21,789.74 × 4,140.12
  4. Step 4: Simplify right side
    14,530.84x = 90,212,138.37
  5. Step 5: Solve for x
    x = 90,212,138.37/14,530.84
  6. Step 6: Final answer
    x = 6,208.32

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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.