Home / 17,930.36-26,886.67-10,436.51

Finding the Fourth Proportional to 17,930.36, 26,886.67 and 10,436.51

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Solution

The fourth proportional to 17,930.36, 26,886.67 and 10,436.51 is: 15,649.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,930.36 : 26,886.67 = 10,436.51 : x
  2. Step 2: Convert to fraction form
    17,930.36/26,886.67 = 10,436.51/x
  3. Step 3: Cross multiply
    17,930.36x = 26,886.67 × 10,436.51
  4. Step 4: Simplify right side
    17,930.36x = 280,603,041.45
  5. Step 5: Solve for x
    x = 280,603,041.45/17,930.36
  6. Step 6: Final answer
    x = 15,649.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.