Home / 14,629.12-21,946.48-7,612.48

Finding the Fourth Proportional to 14,629.12, 21,946.48 and 7,612.48

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Solution

The fourth proportional to 14,629.12, 21,946.48 and 7,612.48 is: 11,420.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,629.12 : 21,946.48 = 7,612.48 : x
  2. Step 2: Convert to fraction form
    14,629.12/21,946.48 = 7,612.48/x
  3. Step 3: Cross multiply
    14,629.12x = 21,946.48 × 7,612.48
  4. Step 4: Simplify right side
    14,629.12x = 167,067,140.07
  5. Step 5: Solve for x
    x = 167,067,140.07/14,629.12
  6. Step 6: Final answer
    x = 11,420.18

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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.