Home / 25,598.05-38,380.66-17,678.39

Finding the Fourth Proportional to 25,598.05, 38,380.66 and 17,678.39

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Solution

The fourth proportional to 25,598.05, 38,380.66 and 17,678.39 is: 26,506.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,598.05 : 38,380.66 = 17,678.39 : x
  2. Step 2: Convert to fraction form
    25,598.05/38,380.66 = 17,678.39/x
  3. Step 3: Cross multiply
    25,598.05x = 38,380.66 × 17,678.39
  4. Step 4: Simplify right side
    25,598.05x = 678,508,039.84
  5. Step 5: Solve for x
    x = 678,508,039.84/25,598.05
  6. Step 6: Final answer
    x = 26,506.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.