Home / 19,176.78-26,463.66-10,678.68

Finding the Fourth Proportional to 19,176.78, 26,463.66 and 10,678.68

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Solution

The fourth proportional to 19,176.78, 26,463.66 and 10,678.68 is: 14,736.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,176.78 : 26,463.66 = 10,678.68 : x
  2. Step 2: Convert to fraction form
    19,176.78/26,463.66 = 10,678.68/x
  3. Step 3: Cross multiply
    19,176.78x = 26,463.66 × 10,678.68
  4. Step 4: Simplify right side
    19,176.78x = 282,596,956.77
  5. Step 5: Solve for x
    x = 282,596,956.77/19,176.78
  6. Step 6: Final answer
    x = 14,736.41

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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.