Home / 12,953.06-17,876.95-9,605.44

Finding the Fourth Proportional to 12,953.06, 17,876.95 and 9,605.44

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Solution

The fourth proportional to 12,953.06, 17,876.95 and 9,605.44 is: 13,256.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,953.06 : 17,876.95 = 9,605.44 : x
  2. Step 2: Convert to fraction form
    12,953.06/17,876.95 = 9,605.44/x
  3. Step 3: Cross multiply
    12,953.06x = 17,876.95 × 9,605.44
  4. Step 4: Simplify right side
    12,953.06x = 171,715,922.41
  5. Step 5: Solve for x
    x = 171,715,922.41/12,953.06
  6. Step 6: Final answer
    x = 13,256.78

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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.