Home / 22,729.46-31,357.80-14,228.10

Finding the Fourth Proportional to 22,729.46, 31,357.80 and 14,228.10

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Solution

The fourth proportional to 22,729.46, 31,357.80 and 14,228.10 is: 19,629.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,729.46 : 31,357.80 = 14,228.10 : x
  2. Step 2: Convert to fraction form
    22,729.46/31,357.80 = 14,228.10/x
  3. Step 3: Cross multiply
    22,729.46x = 31,357.80 × 14,228.10
  4. Step 4: Simplify right side
    22,729.46x = 446,161,914.18
  5. Step 5: Solve for x
    x = 446,161,914.18/22,729.46
  6. Step 6: Final answer
    x = 19,629.24

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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.