Home / 20,597.04-28,413.45-13,030.61

Finding the Fourth Proportional to 20,597.04, 28,413.45 and 13,030.61

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Solution

The fourth proportional to 20,597.04, 28,413.45 and 13,030.61 is: 17,975.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,597.04 : 28,413.45 = 13,030.61 : x
  2. Step 2: Convert to fraction form
    20,597.04/28,413.45 = 13,030.61/x
  3. Step 3: Cross multiply
    20,597.04x = 28,413.45 × 13,030.61
  4. Step 4: Simplify right side
    20,597.04x = 370,244,443.64
  5. Step 5: Solve for x
    x = 370,244,443.64/20,597.04
  6. Step 6: Final answer
    x = 17,975.61

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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.