Home / 18,914.08-26,104.59-10,961.14

Finding the Fourth Proportional to 18,914.08, 26,104.59 and 10,961.14

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Solution

The fourth proportional to 18,914.08, 26,104.59 and 10,961.14 is: 15,128.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,914.08 : 26,104.59 = 10,961.14 : x
  2. Step 2: Convert to fraction form
    18,914.08/26,104.59 = 10,961.14/x
  3. Step 3: Cross multiply
    18,914.08x = 26,104.59 × 10,961.14
  4. Step 4: Simplify right side
    18,914.08x = 286,136,065.63
  5. Step 5: Solve for x
    x = 286,136,065.63/18,914.08
  6. Step 6: Final answer
    x = 15,128.20

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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.