Home / 18,276.48-25,221.96-10,317.96

Finding the Fourth Proportional to 18,276.48, 25,221.96 and 10,317.96

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Solution

The fourth proportional to 18,276.48, 25,221.96 and 10,317.96 is: 14,239.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,276.48 : 25,221.96 = 10,317.96 : x
  2. Step 2: Convert to fraction form
    18,276.48/25,221.96 = 10,317.96/x
  3. Step 3: Cross multiply
    18,276.48x = 25,221.96 × 10,317.96
  4. Step 4: Simplify right side
    18,276.48x = 260,239,174.40
  5. Step 5: Solve for x
    x = 260,239,174.40/18,276.48
  6. Step 6: Final answer
    x = 14,239.02

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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.