Home / 18,538.40-25,587.60-10,585.24

Finding the Fourth Proportional to 18,538.40, 25,587.60 and 10,585.24

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Solution

The fourth proportional to 18,538.40, 25,587.60 and 10,585.24 is: 14,610.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538.40 : 25,587.60 = 10,585.24 : x
  2. Step 2: Convert to fraction form
    18,538.40/25,587.60 = 10,585.24/x
  3. Step 3: Cross multiply
    18,538.40x = 25,587.60 × 10,585.24
  4. Step 4: Simplify right side
    18,538.40x = 270,850,887.02
  5. Step 5: Solve for x
    x = 270,850,887.02/18,538.40
  6. Step 6: Final answer
    x = 14,610.26

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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.