Home / 18,413.22-25,410.54-10,455.66

Finding the Fourth Proportional to 18,413.22, 25,410.54 and 10,455.66

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Solution

The fourth proportional to 18,413.22, 25,410.54 and 10,455.66 is: 14,428.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,413.22 : 25,410.54 = 10,455.66 : x
  2. Step 2: Convert to fraction form
    18,413.22/25,410.54 = 10,455.66/x
  3. Step 3: Cross multiply
    18,413.22x = 25,410.54 × 10,455.66
  4. Step 4: Simplify right side
    18,413.22x = 265,683,966.66
  5. Step 5: Solve for x
    x = 265,683,966.66/18,413.22
  6. Step 6: Final answer
    x = 14,428.98

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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.