Home / 15,331.92-21,175.80-10,050.36

Finding the Fourth Proportional to 15,331.92, 21,175.80 and 10,050.36

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Solution

The fourth proportional to 15,331.92, 21,175.80 and 10,050.36 is: 13,881.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,331.92 : 21,175.80 = 10,050.36 : x
  2. Step 2: Convert to fraction form
    15,331.92/21,175.80 = 10,050.36/x
  3. Step 3: Cross multiply
    15,331.92x = 21,175.80 × 10,050.36
  4. Step 4: Simplify right side
    15,331.92x = 212,824,413.29
  5. Step 5: Solve for x
    x = 212,824,413.29/15,331.92
  6. Step 6: Final answer
    x = 13,881.13

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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.