Home / 25,453.10-38,172.83-10,658.99

Finding the Fourth Proportional to 25,453.10, 38,172.83 and 10,658.99

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Solution

The fourth proportional to 25,453.10, 38,172.83 and 10,658.99 is: 15,985.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,453.10 : 38,172.83 = 10,658.99 : x
  2. Step 2: Convert to fraction form
    25,453.10/38,172.83 = 10,658.99/x
  3. Step 3: Cross multiply
    25,453.10x = 38,172.83 × 10,658.99
  4. Step 4: Simplify right side
    25,453.10x = 406,883,569.08
  5. Step 5: Solve for x
    x = 406,883,569.08/25,453.10
  6. Step 6: Final answer
    x = 15,985.62

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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.