Home / 38,266.02-57,403.19-12,983.78

Finding the Fourth Proportional to 38,266.02, 57,403.19 and 12,983.78

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Solution

The fourth proportional to 38,266.02, 57,403.19 and 12,983.78 is: 19,477.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,266.02 : 57,403.19 = 12,983.78 : x
  2. Step 2: Convert to fraction form
    38,266.02/57,403.19 = 12,983.78/x
  3. Step 3: Cross multiply
    38,266.02x = 57,403.19 × 12,983.78
  4. Step 4: Simplify right side
    38,266.02x = 745,310,566.23
  5. Step 5: Solve for x
    x = 745,310,566.23/38,266.02
  6. Step 6: Final answer
    x = 19,477.09

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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.