Home / 23,080.56-31,840.08-19,888.32

Finding the Fourth Proportional to 23,080.56, 31,840.08 and 19,888.32

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Solution

The fourth proportional to 23,080.56, 31,840.08 and 19,888.32 is: 27,436.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,080.56 : 31,840.08 = 19,888.32 : x
  2. Step 2: Convert to fraction form
    23,080.56/31,840.08 = 19,888.32/x
  3. Step 3: Cross multiply
    23,080.56x = 31,840.08 × 19,888.32
  4. Step 4: Simplify right side
    23,080.56x = 633,245,699.87
  5. Step 5: Solve for x
    x = 633,245,699.87/23,080.56
  6. Step 6: Final answer
    x = 27,436.32

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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.