Home / 19,207.80-26,497.34-12,835.95

Finding the Fourth Proportional to 19,207.80, 26,497.34 and 12,835.95

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Solution

The fourth proportional to 19,207.80, 26,497.34 and 12,835.95 is: 17,707.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,207.80 : 26,497.34 = 12,835.95 : x
  2. Step 2: Convert to fraction form
    19,207.80/26,497.34 = 12,835.95/x
  3. Step 3: Cross multiply
    19,207.80x = 26,497.34 × 12,835.95
  4. Step 4: Simplify right side
    19,207.80x = 340,118,467.19
  5. Step 5: Solve for x
    x = 340,118,467.19/19,207.80
  6. Step 6: Final answer
    x = 17,707.31

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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.