Home / 27,102.79-37,416.90-18,609.94

Finding the Fourth Proportional to 27,102.79, 37,416.90 and 18,609.94

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Solution

The fourth proportional to 27,102.79, 37,416.90 and 18,609.94 is: 25,692.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,102.79 : 37,416.90 = 18,609.94 : x
  2. Step 2: Convert to fraction form
    27,102.79/37,416.90 = 18,609.94/x
  3. Step 3: Cross multiply
    27,102.79x = 37,416.90 × 18,609.94
  4. Step 4: Simplify right side
    27,102.79x = 696,326,263.99
  5. Step 5: Solve for x
    x = 696,326,263.99/27,102.79
  6. Step 6: Final answer
    x = 25,692.05

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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.