Home / 22,804.80-31,461.68-13,243.05

Finding the Fourth Proportional to 22,804.80, 31,461.68 and 13,243.05

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Solution

The fourth proportional to 22,804.80, 31,461.68 and 13,243.05 is: 18,270.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,804.80 : 31,461.68 = 13,243.05 : x
  2. Step 2: Convert to fraction form
    22,804.80/31,461.68 = 13,243.05/x
  3. Step 3: Cross multiply
    22,804.80x = 31,461.68 × 13,243.05
  4. Step 4: Simplify right side
    22,804.80x = 416,648,535.11
  5. Step 5: Solve for x
    x = 416,648,535.11/22,804.80
  6. Step 6: Final answer
    x = 18,270.21

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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.