Home / 18,413.37-25,407.63-10,345.44

Finding the Fourth Proportional to 18,413.37, 25,407.63 and 10,345.44

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Solution

The fourth proportional to 18,413.37, 25,407.63 and 10,345.44 is: 14,275.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,413.37 : 25,407.63 = 10,345.44 : x
  2. Step 2: Convert to fraction form
    18,413.37/25,407.63 = 10,345.44/x
  3. Step 3: Cross multiply
    18,413.37x = 25,407.63 × 10,345.44
  4. Step 4: Simplify right side
    18,413.37x = 262,853,111.71
  5. Step 5: Solve for x
    x = 262,853,111.71/18,413.37
  6. Step 6: Final answer
    x = 14,275.12

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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.