Home / 19,112.76-26,328.54-16,271.01

Finding the Fourth Proportional to 19,112.76, 26,328.54 and 16,271.01

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Solution

The fourth proportional to 19,112.76, 26,328.54 and 16,271.01 is: 22,413.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,112.76 : 26,328.54 = 16,271.01 : x
  2. Step 2: Convert to fraction form
    19,112.76/26,328.54 = 16,271.01/x
  3. Step 3: Cross multiply
    19,112.76x = 26,328.54 × 16,271.01
  4. Step 4: Simplify right side
    19,112.76x = 428,391,937.63
  5. Step 5: Solve for x
    x = 428,391,937.63/19,112.76
  6. Step 6: Final answer
    x = 22,413.92

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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.