Home / 19,841.56-27,382.15-11,345.06

Finding the Fourth Proportional to 19,841.56, 27,382.15 and 11,345.06

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Solution

The fourth proportional to 19,841.56, 27,382.15 and 11,345.06 is: 15,656.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,841.56 : 27,382.15 = 11,345.06 : x
  2. Step 2: Convert to fraction form
    19,841.56/27,382.15 = 11,345.06/x
  3. Step 3: Cross multiply
    19,841.56x = 27,382.15 × 11,345.06
  4. Step 4: Simplify right side
    19,841.56x = 310,652,217.32
  5. Step 5: Solve for x
    x = 310,652,217.32/19,841.56
  6. Step 6: Final answer
    x = 15,656.64

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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.