Home / 19,338.44-26,686.80-10,840.64

Finding the Fourth Proportional to 19,338.44, 26,686.80 and 10,840.64

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Solution

The fourth proportional to 19,338.44, 26,686.80 and 10,840.64 is: 14,959.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,338.44 : 26,686.80 = 10,840.64 : x
  2. Step 2: Convert to fraction form
    19,338.44/26,686.80 = 10,840.64/x
  3. Step 3: Cross multiply
    19,338.44x = 26,686.80 × 10,840.64
  4. Step 4: Simplify right side
    19,338.44x = 289,301,991.55
  5. Step 5: Solve for x
    x = 289,301,991.55/19,338.44
  6. Step 6: Final answer
    x = 14,959.94

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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.