Home / 19,030.09-26,243.98-13,051.21

Finding the Fourth Proportional to 19,030.09, 26,243.98 and 13,051.21

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Solution

The fourth proportional to 19,030.09, 26,243.98 and 13,051.21 is: 17,998.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,030.09 : 26,243.98 = 13,051.21 : x
  2. Step 2: Convert to fraction form
    19,030.09/26,243.98 = 13,051.21/x
  3. Step 3: Cross multiply
    19,030.09x = 26,243.98 × 13,051.21
  4. Step 4: Simplify right side
    19,030.09x = 342,515,694.22
  5. Step 5: Solve for x
    x = 342,515,694.22/19,030.09
  6. Step 6: Final answer
    x = 17,998.64

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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.