Home / 26,853.96-37,055.63-15,521.66

Finding the Fourth Proportional to 26,853.96, 37,055.63 and 15,521.66

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Solution

The fourth proportional to 26,853.96, 37,055.63 and 15,521.66 is: 21,418.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,853.96 : 37,055.63 = 15,521.66 : x
  2. Step 2: Convert to fraction form
    26,853.96/37,055.63 = 15,521.66/x
  3. Step 3: Cross multiply
    26,853.96x = 37,055.63 × 15,521.66
  4. Step 4: Simplify right side
    26,853.96x = 575,164,795.12
  5. Step 5: Solve for x
    x = 575,164,795.12/26,853.96
  6. Step 6: Final answer
    x = 21,418.25

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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.