Home / 14,021.22-19,349.20-7,733.60

Finding the Fourth Proportional to 14,021.22, 19,349.20 and 7,733.60

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Solution

The fourth proportional to 14,021.22, 19,349.20 and 7,733.60 is: 10,672.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021.22 : 19,349.20 = 7,733.60 : x
  2. Step 2: Convert to fraction form
    14,021.22/19,349.20 = 7,733.60/x
  3. Step 3: Cross multiply
    14,021.22x = 19,349.20 × 7,733.60
  4. Step 4: Simplify right side
    14,021.22x = 149,638,973.12
  5. Step 5: Solve for x
    x = 149,638,973.12/14,021.22
  6. Step 6: Final answer
    x = 10,672.32

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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.