Home / 19,140.04-26,413.23-10,641.89

Finding the Fourth Proportional to 19,140.04, 26,413.23 and 10,641.89

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Solution

The fourth proportional to 19,140.04, 26,413.23 and 10,641.89 is: 14,685.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,140.04 : 26,413.23 = 10,641.89 : x
  2. Step 2: Convert to fraction form
    19,140.04/26,413.23 = 10,641.89/x
  3. Step 3: Cross multiply
    19,140.04x = 26,413.23 × 10,641.89
  4. Step 4: Simplify right side
    19,140.04x = 281,086,635.00
  5. Step 5: Solve for x
    x = 281,086,635.00/19,140.04
  6. Step 6: Final answer
    x = 14,685.80

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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.