Home / 19,485.63-29,029.12-18,545.22

Finding the Fourth Proportional to 19,485.63, 29,029.12 and 18,545.22

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Solution

The fourth proportional to 19,485.63, 29,029.12 and 18,545.22 is: 27,628.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,485.63 : 29,029.12 = 18,545.22 : x
  2. Step 2: Convert to fraction form
    19,485.63/29,029.12 = 18,545.22/x
  3. Step 3: Cross multiply
    19,485.63x = 29,029.12 × 18,545.22
  4. Step 4: Simplify right side
    19,485.63x = 538,351,370.44
  5. Step 5: Solve for x
    x = 538,351,370.44/19,485.63
  6. Step 6: Final answer
    x = 27,628.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.