Home / 13,100.07-19,549.45-11,698.77

Finding the Fourth Proportional to 13,100.07, 19,549.45 and 11,698.77

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Solution

The fourth proportional to 13,100.07, 19,549.45 and 11,698.77 is: 17,458.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,100.07 : 19,549.45 = 11,698.77 : x
  2. Step 2: Convert to fraction form
    13,100.07/19,549.45 = 11,698.77/x
  3. Step 3: Cross multiply
    13,100.07x = 19,549.45 × 11,698.77
  4. Step 4: Simplify right side
    13,100.07x = 228,704,519.18
  5. Step 5: Solve for x
    x = 228,704,519.18/13,100.07
  6. Step 6: Final answer
    x = 17,458.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.