Home / 19,385.02-26,751.51-11,000.86

Finding the Fourth Proportional to 19,385.02, 26,751.51 and 11,000.86

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Solution

The fourth proportional to 19,385.02, 26,751.51 and 11,000.86 is: 15,181.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,385.02 : 26,751.51 = 11,000.86 : x
  2. Step 2: Convert to fraction form
    19,385.02/26,751.51 = 11,000.86/x
  3. Step 3: Cross multiply
    19,385.02x = 26,751.51 × 11,000.86
  4. Step 4: Simplify right side
    19,385.02x = 294,289,616.30
  5. Step 5: Solve for x
    x = 294,289,616.30/19,385.02
  6. Step 6: Final answer
    x = 15,181.29

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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.