Home / 18,927.36-26,109.09-10,968.51

Finding the Fourth Proportional to 18,927.36, 26,109.09 and 10,968.51

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Solution

The fourth proportional to 18,927.36, 26,109.09 and 10,968.51 is: 15,130.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,927.36 : 26,109.09 = 10,968.51 : x
  2. Step 2: Convert to fraction form
    18,927.36/26,109.09 = 10,968.51/x
  3. Step 3: Cross multiply
    18,927.36x = 26,109.09 × 10,968.51
  4. Step 4: Simplify right side
    18,927.36x = 286,377,814.76
  5. Step 5: Solve for x
    x = 286,377,814.76/18,927.36
  6. Step 6: Final answer
    x = 15,130.36

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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.