Home / 18,238.08-25,166.64-10,281.52

Finding the Fourth Proportional to 18,238.08, 25,166.64 and 10,281.52

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Solution

The fourth proportional to 18,238.08, 25,166.64 and 10,281.52 is: 14,187.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,238.08 : 25,166.64 = 10,281.52 : x
  2. Step 2: Convert to fraction form
    18,238.08/25,166.64 = 10,281.52/x
  3. Step 3: Cross multiply
    18,238.08x = 25,166.64 × 10,281.52
  4. Step 4: Simplify right side
    18,238.08x = 258,751,312.49
  5. Step 5: Solve for x
    x = 258,751,312.49/18,238.08
  6. Step 6: Final answer
    x = 14,187.42

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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.