Home / 19,290.47-26,608.93-13,237.95

Finding the Fourth Proportional to 19,290.47, 26,608.93 and 13,237.95

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Solution

The fourth proportional to 19,290.47, 26,608.93 and 13,237.95 is: 18,260.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,290.47 : 26,608.93 = 13,237.95 : x
  2. Step 2: Convert to fraction form
    19,290.47/26,608.93 = 13,237.95/x
  3. Step 3: Cross multiply
    19,290.47x = 26,608.93 × 13,237.95
  4. Step 4: Simplify right side
    19,290.47x = 352,247,639.14
  5. Step 5: Solve for x
    x = 352,247,639.14/19,290.47
  6. Step 6: Final answer
    x = 18,260.19

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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.