Home / 19,384.51-26,754.80-11,829.23

Finding the Fourth Proportional to 19,384.51, 26,754.80 and 11,829.23

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Solution

The fourth proportional to 19,384.51, 26,754.80 and 11,829.23 is: 16,326.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,384.51 : 26,754.80 = 11,829.23 : x
  2. Step 2: Convert to fraction form
    19,384.51/26,754.80 = 11,829.23/x
  3. Step 3: Cross multiply
    19,384.51x = 26,754.80 × 11,829.23
  4. Step 4: Simplify right side
    19,384.51x = 316,488,682.80
  5. Step 5: Solve for x
    x = 316,488,682.80/19,384.51
  6. Step 6: Final answer
    x = 16,326.89

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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.