Home / 17,280.95-23,845.59-11,977.47

Finding the Fourth Proportional to 17,280.95, 23,845.59 and 11,977.47

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Solution

The fourth proportional to 17,280.95, 23,845.59 and 11,977.47 is: 16,527.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,280.95 : 23,845.59 = 11,977.47 : x
  2. Step 2: Convert to fraction form
    17,280.95/23,845.59 = 11,977.47/x
  3. Step 3: Cross multiply
    17,280.95x = 23,845.59 × 11,977.47
  4. Step 4: Simplify right side
    17,280.95x = 285,609,838.86
  5. Step 5: Solve for x
    x = 285,609,838.86/17,280.95
  6. Step 6: Final answer
    x = 16,527.44

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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.