Home / 19,141.65-26,415.56-10,644.55

Finding the Fourth Proportional to 19,141.65, 26,415.56 and 10,644.55

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Solution

The fourth proportional to 19,141.65, 26,415.56 and 10,644.55 is: 14,689.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,141.65 : 26,415.56 = 10,644.55 : x
  2. Step 2: Convert to fraction form
    19,141.65/26,415.56 = 10,644.55/x
  3. Step 3: Cross multiply
    19,141.65x = 26,415.56 × 10,644.55
  4. Step 4: Simplify right side
    19,141.65x = 281,181,629.94
  5. Step 5: Solve for x
    x = 281,181,629.94/19,141.65
  6. Step 6: Final answer
    x = 14,689.52

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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.