Home / 22,846.66-31,528.31-12,775.07

Finding the Fourth Proportional to 22,846.66, 31,528.31 and 12,775.07

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Solution

The fourth proportional to 22,846.66, 31,528.31 and 12,775.07 is: 17,629.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,846.66 : 31,528.31 = 12,775.07 : x
  2. Step 2: Convert to fraction form
    22,846.66/31,528.31 = 12,775.07/x
  3. Step 3: Cross multiply
    22,846.66x = 31,528.31 × 12,775.07
  4. Step 4: Simplify right side
    22,846.66x = 402,776,204.83
  5. Step 5: Solve for x
    x = 402,776,204.83/22,846.66
  6. Step 6: Final answer
    x = 17,629.55

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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.