Home / 19,844.95-27,384.27-11,345.41

Finding the Fourth Proportional to 19,844.95, 27,384.27 and 11,345.41

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Solution

The fourth proportional to 19,844.95, 27,384.27 and 11,345.41 is: 15,655.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,844.95 : 27,384.27 = 11,345.41 : x
  2. Step 2: Convert to fraction form
    19,844.95/27,384.27 = 11,345.41/x
  3. Step 3: Cross multiply
    19,844.95x = 27,384.27 × 11,345.41
  4. Step 4: Simplify right side
    19,844.95x = 310,685,770.70
  5. Step 5: Solve for x
    x = 310,685,770.70/19,844.95
  6. Step 6: Final answer
    x = 15,655.66

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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.