Home / 15,783.96-23,671.84-4,687.67

Finding the Fourth Proportional to 15,783.96, 23,671.84 and 4,687.67

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Solution

The fourth proportional to 15,783.96, 23,671.84 and 4,687.67 is: 7,030.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,783.96 : 23,671.84 = 4,687.67 : x
  2. Step 2: Convert to fraction form
    15,783.96/23,671.84 = 4,687.67/x
  3. Step 3: Cross multiply
    15,783.96x = 23,671.84 × 4,687.67
  4. Step 4: Simplify right side
    15,783.96x = 110,965,632.42
  5. Step 5: Solve for x
    x = 110,965,632.42/15,783.96
  6. Step 6: Final answer
    x = 7,030.28

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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.