Home / 19,178.41-26,464.06-10,678.57

Finding the Fourth Proportional to 19,178.41, 26,464.06 and 10,678.57

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Solution

The fourth proportional to 19,178.41, 26,464.06 and 10,678.57 is: 14,735.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,178.41 : 26,464.06 = 10,678.57 : x
  2. Step 2: Convert to fraction form
    19,178.41/26,464.06 = 10,678.57/x
  3. Step 3: Cross multiply
    19,178.41x = 26,464.06 × 10,678.57
  4. Step 4: Simplify right side
    19,178.41x = 282,598,317.19
  5. Step 5: Solve for x
    x = 282,598,317.19/19,178.41
  6. Step 6: Final answer
    x = 14,735.23

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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.