Home / 18,413.96-25,411.56-10,030.48

Finding the Fourth Proportional to 18,413.96, 25,411.56 and 10,030.48

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Solution

The fourth proportional to 18,413.96, 25,411.56 and 10,030.48 is: 13,842.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,413.96 : 25,411.56 = 10,030.48 : x
  2. Step 2: Convert to fraction form
    18,413.96/25,411.56 = 10,030.48/x
  3. Step 3: Cross multiply
    18,413.96x = 25,411.56 × 10,030.48
  4. Step 4: Simplify right side
    18,413.96x = 254,890,144.35
  5. Step 5: Solve for x
    x = 254,890,144.35/18,413.96
  6. Step 6: Final answer
    x = 13,842.22

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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.