Home / 19,385.55-26,752.08-11,002.05

Finding the Fourth Proportional to 19,385.55, 26,752.08 and 11,002.05

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Solution

The fourth proportional to 19,385.55, 26,752.08 and 11,002.05 is: 15,182.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,385.55 : 26,752.08 = 11,002.05 : x
  2. Step 2: Convert to fraction form
    19,385.55/26,752.08 = 11,002.05/x
  3. Step 3: Cross multiply
    19,385.55x = 26,752.08 × 11,002.05
  4. Step 4: Simplify right side
    19,385.55x = 294,327,721.76
  5. Step 5: Solve for x
    x = 294,327,721.76/19,385.55
  6. Step 6: Final answer
    x = 15,182.84

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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.