Home / 14,413.48-21,615.49-5,528.32

Finding the Fourth Proportional to 14,413.48, 21,615.49 and 5,528.32

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Solution

The fourth proportional to 14,413.48, 21,615.49 and 5,528.32 is: 8,290.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,413.48 : 21,615.49 = 5,528.32 : x
  2. Step 2: Convert to fraction form
    14,413.48/21,615.49 = 5,528.32/x
  3. Step 3: Cross multiply
    14,413.48x = 21,615.49 × 5,528.32
  4. Step 4: Simplify right side
    14,413.48x = 119,497,298.55
  5. Step 5: Solve for x
    x = 119,497,298.55/14,413.48
  6. Step 6: Final answer
    x = 8,290.66

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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.