Home / 18,855.48-26,020.98-10,898.04

Finding the Fourth Proportional to 18,855.48, 26,020.98 and 10,898.04

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Solution

The fourth proportional to 18,855.48, 26,020.98 and 10,898.04 is: 15,039.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,855.48 : 26,020.98 = 10,898.04 : x
  2. Step 2: Convert to fraction form
    18,855.48/26,020.98 = 10,898.04/x
  3. Step 3: Cross multiply
    18,855.48x = 26,020.98 × 10,898.04
  4. Step 4: Simplify right side
    18,855.48x = 283,577,680.88
  5. Step 5: Solve for x
    x = 283,577,680.88/18,855.48
  6. Step 6: Final answer
    x = 15,039.54

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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.