Home / 18,416.16-25,413.55-11,258.06

Finding the Fourth Proportional to 18,416.16, 25,413.55 and 11,258.06

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Solution

The fourth proportional to 18,416.16, 25,413.55 and 11,258.06 is: 15,535.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,416.16 : 25,413.55 = 11,258.06 : x
  2. Step 2: Convert to fraction form
    18,416.16/25,413.55 = 11,258.06/x
  3. Step 3: Cross multiply
    18,416.16x = 25,413.55 × 11,258.06
  4. Step 4: Simplify right side
    18,416.16x = 286,107,270.71
  5. Step 5: Solve for x
    x = 286,107,270.71/18,416.16
  6. Step 6: Final answer
    x = 15,535.66

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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.