Home / 18,875.36-26,048.49-10,918.10

Finding the Fourth Proportional to 18,875.36, 26,048.49 and 10,918.10

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Solution

The fourth proportional to 18,875.36, 26,048.49 and 10,918.10 is: 15,067.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,875.36 : 26,048.49 = 10,918.10 : x
  2. Step 2: Convert to fraction form
    18,875.36/26,048.49 = 10,918.10/x
  3. Step 3: Cross multiply
    18,875.36x = 26,048.49 × 10,918.10
  4. Step 4: Simplify right side
    18,875.36x = 284,400,018.67
  5. Step 5: Solve for x
    x = 284,400,018.67/18,875.36
  6. Step 6: Final answer
    x = 15,067.26

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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.