Home / 35,603.64-53,413.56-18,954.90

Finding the Fourth Proportional to 35,603.64, 53,413.56 and 18,954.90

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Solution

The fourth proportional to 35,603.64, 53,413.56 and 18,954.90 is: 28,436.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,603.64 : 53,413.56 = 18,954.90 : x
  2. Step 2: Convert to fraction form
    35,603.64/53,413.56 = 18,954.90/x
  3. Step 3: Cross multiply
    35,603.64x = 53,413.56 × 18,954.90
  4. Step 4: Simplify right side
    35,603.64x = 1,012,448,688.44
  5. Step 5: Solve for x
    x = 1,012,448,688.44/35,603.64
  6. Step 6: Final answer
    x = 28,436.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.