Home / 18,678.04-25,775.70-10,294.54

Finding the Fourth Proportional to 18,678.04, 25,775.70 and 10,294.54

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Solution

The fourth proportional to 18,678.04, 25,775.70 and 10,294.54 is: 14,206.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,678.04 : 25,775.70 = 10,294.54 : x
  2. Step 2: Convert to fraction form
    18,678.04/25,775.70 = 10,294.54/x
  3. Step 3: Cross multiply
    18,678.04x = 25,775.70 × 10,294.54
  4. Step 4: Simplify right side
    18,678.04x = 265,348,974.68
  5. Step 5: Solve for x
    x = 265,348,974.68/18,678.04
  6. Step 6: Final answer
    x = 14,206.47

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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.