Home / 18,021.36-26,895.34-17,554.80

Finding the Fourth Proportional to 18,021.36, 26,895.34 and 17,554.80

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Solution

The fourth proportional to 18,021.36, 26,895.34 and 17,554.80 is: 26,199.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,021.36 : 26,895.34 = 17,554.80 : x
  2. Step 2: Convert to fraction form
    18,021.36/26,895.34 = 17,554.80/x
  3. Step 3: Cross multiply
    18,021.36x = 26,895.34 × 17,554.80
  4. Step 4: Simplify right side
    18,021.36x = 472,142,314.63
  5. Step 5: Solve for x
    x = 472,142,314.63/18,021.36
  6. Step 6: Final answer
    x = 26,199.04

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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.