Home / 14,309.07-21,459.49-4,946.64

Finding the Fourth Proportional to 14,309.07, 21,459.49 and 4,946.64

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Solution

The fourth proportional to 14,309.07, 21,459.49 and 4,946.64 is: 7,418.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,309.07 : 21,459.49 = 4,946.64 : x
  2. Step 2: Convert to fraction form
    14,309.07/21,459.49 = 4,946.64/x
  3. Step 3: Cross multiply
    14,309.07x = 21,459.49 × 4,946.64
  4. Step 4: Simplify right side
    14,309.07x = 106,152,371.61
  5. Step 5: Solve for x
    x = 106,152,371.61/14,309.07
  6. Step 6: Final answer
    x = 7,418.54

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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.