Home / 18,984.78-26,199-10,601.28

Finding the Fourth Proportional to 18,984.78, 26,199 and 10,601.28

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Solution

The fourth proportional to 18,984.78, 26,199 and 10,601.28 is: 14,629.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,984.78 : 26,199 = 10,601.28 : x
  2. Step 2: Convert to fraction form
    18,984.78/26,199 = 10,601.28/x
  3. Step 3: Cross multiply
    18,984.78x = 26,199 × 10,601.28
  4. Step 4: Simplify right side
    18,984.78x = 277,742,934.72
  5. Step 5: Solve for x
    x = 277,742,934.72/18,984.78
  6. Step 6: Final answer
    x = 14,629.77

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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.