Home / 19,010.61-28,488.38-13,081.41

Finding the Fourth Proportional to 19,010.61, 28,488.38 and 13,081.41

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Solution

The fourth proportional to 19,010.61, 28,488.38 and 13,081.41 is: 19,603.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,010.61 : 28,488.38 = 13,081.41 : x
  2. Step 2: Convert to fraction form
    19,010.61/28,488.38 = 13,081.41/x
  3. Step 3: Cross multiply
    19,010.61x = 28,488.38 × 13,081.41
  4. Step 4: Simplify right side
    19,010.61x = 372,668,113.61
  5. Step 5: Solve for x
    x = 372,668,113.61/19,010.61
  6. Step 6: Final answer
    x = 19,603.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.