Home / 14,269.36-21,413.28-7,700.08

Finding the Fourth Proportional to 14,269.36, 21,413.28 and 7,700.08

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Solution

The fourth proportional to 14,269.36, 21,413.28 and 7,700.08 is: 11,555.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,269.36 : 21,413.28 = 7,700.08 : x
  2. Step 2: Convert to fraction form
    14,269.36/21,413.28 = 7,700.08/x
  3. Step 3: Cross multiply
    14,269.36x = 21,413.28 × 7,700.08
  4. Step 4: Simplify right side
    14,269.36x = 164,883,969.06
  5. Step 5: Solve for x
    x = 164,883,969.06/14,269.36
  6. Step 6: Final answer
    x = 11,555.11

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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.