Home / 14,076.40-19,391.60-11,838.32

Finding the Fourth Proportional to 14,076.40, 19,391.60 and 11,838.32

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Solution

The fourth proportional to 14,076.40, 19,391.60 and 11,838.32 is: 16,308.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,076.40 : 19,391.60 = 11,838.32 : x
  2. Step 2: Convert to fraction form
    14,076.40/19,391.60 = 11,838.32/x
  3. Step 3: Cross multiply
    14,076.40x = 19,391.60 × 11,838.32
  4. Step 4: Simplify right side
    14,076.40x = 229,563,966.11
  5. Step 5: Solve for x
    x = 229,563,966.11/14,076.40
  6. Step 6: Final answer
    x = 16,308.43

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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.