Home / 18,327.92-25,303.98-12,595.25

Finding the Fourth Proportional to 18,327.92, 25,303.98 and 12,595.25

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Solution

The fourth proportional to 18,327.92, 25,303.98 and 12,595.25 is: 17,389.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,327.92 : 25,303.98 = 12,595.25 : x
  2. Step 2: Convert to fraction form
    18,327.92/25,303.98 = 12,595.25/x
  3. Step 3: Cross multiply
    18,327.92x = 25,303.98 × 12,595.25
  4. Step 4: Simplify right side
    18,327.92x = 318,709,764.60
  5. Step 5: Solve for x
    x = 318,709,764.60/18,327.92
  6. Step 6: Final answer
    x = 17,389.31

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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.