Home / 19,266.05-28,898.64-8,877.80

Finding the Fourth Proportional to 19,266.05, 28,898.64 and 8,877.80

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Solution

The fourth proportional to 19,266.05, 28,898.64 and 8,877.80 is: 13,316.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,266.05 : 28,898.64 = 8,877.80 : x
  2. Step 2: Convert to fraction form
    19,266.05/28,898.64 = 8,877.80/x
  3. Step 3: Cross multiply
    19,266.05x = 28,898.64 × 8,877.80
  4. Step 4: Simplify right side
    19,266.05x = 256,556,418.44
  5. Step 5: Solve for x
    x = 256,556,418.44/19,266.05
  6. Step 6: Final answer
    x = 13,316.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.