Home / 18,525.39-25,548.48-13,501.32

Finding the Fourth Proportional to 18,525.39, 25,548.48 and 13,501.32

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Solution

The fourth proportional to 18,525.39, 25,548.48 and 13,501.32 is: 18,619.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,525.39 : 25,548.48 = 13,501.32 : x
  2. Step 2: Convert to fraction form
    18,525.39/25,548.48 = 13,501.32/x
  3. Step 3: Cross multiply
    18,525.39x = 25,548.48 × 13,501.32
  4. Step 4: Simplify right side
    18,525.39x = 344,938,203.99
  5. Step 5: Solve for x
    x = 344,938,203.99/18,525.39
  6. Step 6: Final answer
    x = 18,619.75

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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.