Home / 15,783.27-23,670.86-4,686.95

Finding the Fourth Proportional to 15,783.27, 23,670.86 and 4,686.95

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Solution

The fourth proportional to 15,783.27, 23,670.86 and 4,686.95 is: 7,029.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,783.27 : 23,670.86 = 4,686.95 : x
  2. Step 2: Convert to fraction form
    15,783.27/23,670.86 = 4,686.95/x
  3. Step 3: Cross multiply
    15,783.27x = 23,670.86 × 4,686.95
  4. Step 4: Simplify right side
    15,783.27x = 110,943,995.49
  5. Step 5: Solve for x
    x = 110,943,995.49/15,783.27
  6. Step 6: Final answer
    x = 7,029.21

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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.