Home / 19,338.42-26,686.94-10,840.56

Finding the Fourth Proportional to 19,338.42, 26,686.94 and 10,840.56

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Solution

The fourth proportional to 19,338.42, 26,686.94 and 10,840.56 is: 14,959.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,338.42 : 26,686.94 = 10,840.56 : x
  2. Step 2: Convert to fraction form
    19,338.42/26,686.94 = 10,840.56/x
  3. Step 3: Cross multiply
    19,338.42x = 26,686.94 × 10,840.56
  4. Step 4: Simplify right side
    19,338.42x = 289,301,374.29
  5. Step 5: Solve for x
    x = 289,301,374.29/19,338.42
  6. Step 6: Final answer
    x = 14,959.93

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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.