Home / 16,857.40-23,261.56-9,783.14

Finding the Fourth Proportional to 16,857.40, 23,261.56 and 9,783.14

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Solution

The fourth proportional to 16,857.40, 23,261.56 and 9,783.14 is: 13,499.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,857.40 : 23,261.56 = 9,783.14 : x
  2. Step 2: Convert to fraction form
    16,857.40/23,261.56 = 9,783.14/x
  3. Step 3: Cross multiply
    16,857.40x = 23,261.56 × 9,783.14
  4. Step 4: Simplify right side
    16,857.40x = 227,571,098.10
  5. Step 5: Solve for x
    x = 227,571,098.10/16,857.40
  6. Step 6: Final answer
    x = 13,499.77

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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.