Home / 19,026.09-26,238.47-13,047.21

Finding the Fourth Proportional to 19,026.09, 26,238.47 and 13,047.21

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Solution

The fourth proportional to 19,026.09, 26,238.47 and 13,047.21 is: 17,993.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,026.09 : 26,238.47 = 13,047.21 : x
  2. Step 2: Convert to fraction form
    19,026.09/26,238.47 = 13,047.21/x
  3. Step 3: Cross multiply
    19,026.09x = 26,238.47 × 13,047.21
  4. Step 4: Simplify right side
    19,026.09x = 342,338,762.93
  5. Step 5: Solve for x
    x = 342,338,762.93/19,026.09
  6. Step 6: Final answer
    x = 17,993.12

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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.