Home / 25,662.30-38,493.45-25,143.90

Finding the Fourth Proportional to 25,662.30, 38,493.45 and 25,143.90

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Solution

The fourth proportional to 25,662.30, 38,493.45 and 25,143.90 is: 37,715.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,662.30 : 38,493.45 = 25,143.90 : x
  2. Step 2: Convert to fraction form
    25,662.30/38,493.45 = 25,143.90/x
  3. Step 3: Cross multiply
    25,662.30x = 38,493.45 × 25,143.90
  4. Step 4: Simplify right side
    25,662.30x = 967,875,457.46
  5. Step 5: Solve for x
    x = 967,875,457.46/25,662.30
  6. Step 6: Final answer
    x = 37,715.85

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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.