Home / 14,054.51-21,091.31-7,485.29

Finding the Fourth Proportional to 14,054.51, 21,091.31 and 7,485.29

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Solution

The fourth proportional to 14,054.51, 21,091.31 and 7,485.29 is: 11,233.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,054.51 : 21,091.31 = 7,485.29 : x
  2. Step 2: Convert to fraction form
    14,054.51/21,091.31 = 7,485.29/x
  3. Step 3: Cross multiply
    14,054.51x = 21,091.31 × 7,485.29
  4. Step 4: Simplify right side
    14,054.51x = 157,874,534.40
  5. Step 5: Solve for x
    x = 157,874,534.40/14,054.51
  6. Step 6: Final answer
    x = 11,233.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.