Home / 18,261.23-25,203.59-10,603.31

Finding the Fourth Proportional to 18,261.23, 25,203.59 and 10,603.31

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Solution

The fourth proportional to 18,261.23, 25,203.59 and 10,603.31 is: 14,634.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,261.23 : 25,203.59 = 10,603.31 : x
  2. Step 2: Convert to fraction form
    18,261.23/25,203.59 = 10,603.31/x
  3. Step 3: Cross multiply
    18,261.23x = 25,203.59 × 10,603.31
  4. Step 4: Simplify right side
    18,261.23x = 267,241,567.40
  5. Step 5: Solve for x
    x = 267,241,567.40/18,261.23
  6. Step 6: Final answer
    x = 14,634.37

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Half scale
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Double scale
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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.