Home / 18,570.82-25,627.72-10,187.32

Finding the Fourth Proportional to 18,570.82, 25,627.72 and 10,187.32

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Solution

The fourth proportional to 18,570.82, 25,627.72 and 10,187.32 is: 14,058.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,570.82 : 25,627.72 = 10,187.32 : x
  2. Step 2: Convert to fraction form
    18,570.82/25,627.72 = 10,187.32/x
  3. Step 3: Cross multiply
    18,570.82x = 25,627.72 × 10,187.32
  4. Step 4: Simplify right side
    18,570.82x = 261,077,784.51
  5. Step 5: Solve for x
    x = 261,077,784.51/18,570.82
  6. Step 6: Final answer
    x = 14,058.50

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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.