Home / 18,607.36-25,678.05-10,109.42

Finding the Fourth Proportional to 18,607.36, 25,678.05 and 10,109.42

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Solution

The fourth proportional to 18,607.36, 25,678.05 and 10,109.42 is: 13,950.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,607.36 : 25,678.05 = 10,109.42 : x
  2. Step 2: Convert to fraction form
    18,607.36/25,678.05 = 10,109.42/x
  3. Step 3: Cross multiply
    18,607.36x = 25,678.05 × 10,109.42
  4. Step 4: Simplify right side
    18,607.36x = 259,590,192.23
  5. Step 5: Solve for x
    x = 259,590,192.23/18,607.36
  6. Step 6: Final answer
    x = 13,950.94

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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.