Home / 18,413.31-25,410.91-10,030.35

Finding the Fourth Proportional to 18,413.31, 25,410.91 and 10,030.35

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Solution

The fourth proportional to 18,413.31, 25,410.91 and 10,030.35 is: 13,842.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,413.31 : 25,410.91 = 10,030.35 : x
  2. Step 2: Convert to fraction form
    18,413.31/25,410.91 = 10,030.35/x
  3. Step 3: Cross multiply
    18,413.31x = 25,410.91 × 10,030.35
  4. Step 4: Simplify right side
    18,413.31x = 254,880,321.12
  5. Step 5: Solve for x
    x = 254,880,321.12/18,413.31
  6. Step 6: Final answer
    x = 13,842.18

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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.