Home / 19,671.39-27,146.51-10,718.89

Finding the Fourth Proportional to 19,671.39, 27,146.51 and 10,718.89

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Solution

The fourth proportional to 19,671.39, 27,146.51 and 10,718.89 is: 14,792.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,671.39 : 27,146.51 = 10,718.89 : x
  2. Step 2: Convert to fraction form
    19,671.39/27,146.51 = 10,718.89/x
  3. Step 3: Cross multiply
    19,671.39x = 27,146.51 × 10,718.89
  4. Step 4: Simplify right side
    19,671.39x = 290,980,413.50
  5. Step 5: Solve for x
    x = 290,980,413.50/19,671.39
  6. Step 6: Final answer
    x = 14,792.06

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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.