Home / 25,303.16-37,961.40-18,195.68

Finding the Fourth Proportional to 25,303.16, 37,961.40 and 18,195.68

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Solution

The fourth proportional to 25,303.16, 37,961.40 and 18,195.68 is: 27,298.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,303.16 : 37,961.40 = 18,195.68 : x
  2. Step 2: Convert to fraction form
    25,303.16/37,961.40 = 18,195.68/x
  3. Step 3: Cross multiply
    25,303.16x = 37,961.40 × 18,195.68
  4. Step 4: Simplify right side
    25,303.16x = 690,733,486.75
  5. Step 5: Solve for x
    x = 690,733,486.75/25,303.16
  6. Step 6: Final answer
    x = 27,298.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.