Home / 14,147.61-19,518.26-10,786.95

Finding the Fourth Proportional to 14,147.61, 19,518.26 and 10,786.95

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Solution

The fourth proportional to 14,147.61, 19,518.26 and 10,786.95 is: 14,881.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,147.61 : 19,518.26 = 10,786.95 : x
  2. Step 2: Convert to fraction form
    14,147.61/19,518.26 = 10,786.95/x
  3. Step 3: Cross multiply
    14,147.61x = 19,518.26 × 10,786.95
  4. Step 4: Simplify right side
    14,147.61x = 210,542,440.77
  5. Step 5: Solve for x
    x = 210,542,440.77/14,147.61
  6. Step 6: Final answer
    x = 14,881.84

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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.