Home / 18,853.78-26,013.54-10,677.51

Finding the Fourth Proportional to 18,853.78, 26,013.54 and 10,677.51

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Solution

The fourth proportional to 18,853.78, 26,013.54 and 10,677.51 is: 14,732.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,853.78 : 26,013.54 = 10,677.51 : x
  2. Step 2: Convert to fraction form
    18,853.78/26,013.54 = 10,677.51/x
  3. Step 3: Cross multiply
    18,853.78x = 26,013.54 × 10,677.51
  4. Step 4: Simplify right side
    18,853.78x = 277,759,971.08
  5. Step 5: Solve for x
    x = 277,759,971.08/18,853.78
  6. Step 6: Final answer
    x = 14,732.32

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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.