Home / 43,412.90-65,120.72-14,949.55

Finding the Fourth Proportional to 43,412.90, 65,120.72 and 14,949.55

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Solution

The fourth proportional to 43,412.90, 65,120.72 and 14,949.55 is: 22,424.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,412.90 : 65,120.72 = 14,949.55 : x
  2. Step 2: Convert to fraction form
    43,412.90/65,120.72 = 14,949.55/x
  3. Step 3: Cross multiply
    43,412.90x = 65,120.72 × 14,949.55
  4. Step 4: Simplify right side
    43,412.90x = 973,525,222.13
  5. Step 5: Solve for x
    x = 973,525,222.13/43,412.90
  6. Step 6: Final answer
    x = 22,424.79

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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.