Home / 15,783.46-23,671.09-4,687.17

Finding the Fourth Proportional to 15,783.46, 23,671.09 and 4,687.17

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Solution

The fourth proportional to 15,783.46, 23,671.09 and 4,687.17 is: 7,029.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,783.46 : 23,671.09 = 4,687.17 : x
  2. Step 2: Convert to fraction form
    15,783.46/23,671.09 = 4,687.17/x
  3. Step 3: Cross multiply
    15,783.46x = 23,671.09 × 4,687.17
  4. Step 4: Simplify right side
    15,783.46x = 110,950,313.64
  5. Step 5: Solve for x
    x = 110,950,313.64/15,783.46
  6. Step 6: Final answer
    x = 7,029.53

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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.