Home / 18,141.64-25,043.14-11,070.60

Finding the Fourth Proportional to 18,141.64, 25,043.14 and 11,070.60

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Solution

The fourth proportional to 18,141.64, 25,043.14 and 11,070.60 is: 15,282.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,141.64 : 25,043.14 = 11,070.60 : x
  2. Step 2: Convert to fraction form
    18,141.64/25,043.14 = 11,070.60/x
  3. Step 3: Cross multiply
    18,141.64x = 25,043.14 × 11,070.60
  4. Step 4: Simplify right side
    18,141.64x = 277,242,585.68
  5. Step 5: Solve for x
    x = 277,242,585.68/18,141.64
  6. Step 6: Final answer
    x = 15,282.11

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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.