Home / 15,870.73-23,807.71-5,481.13

Finding the Fourth Proportional to 15,870.73, 23,807.71 and 5,481.13

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Solution

The fourth proportional to 15,870.73, 23,807.71 and 5,481.13 is: 8,222.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,870.73 : 23,807.71 = 5,481.13 : x
  2. Step 2: Convert to fraction form
    15,870.73/23,807.71 = 5,481.13/x
  3. Step 3: Cross multiply
    15,870.73x = 23,807.71 × 5,481.13
  4. Step 4: Simplify right side
    15,870.73x = 130,493,020.77
  5. Step 5: Solve for x
    x = 130,493,020.77/15,870.73
  6. Step 6: Final answer
    x = 8,222.25

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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.