Home / 18,225.70-25,153.25-10,671.56

Finding the Fourth Proportional to 18,225.70, 25,153.25 and 10,671.56

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Solution

The fourth proportional to 18,225.70, 25,153.25 and 10,671.56 is: 14,727.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,225.70 : 25,153.25 = 10,671.56 : x
  2. Step 2: Convert to fraction form
    18,225.70/25,153.25 = 10,671.56/x
  3. Step 3: Cross multiply
    18,225.70x = 25,153.25 × 10,671.56
  4. Step 4: Simplify right side
    18,225.70x = 268,424,416.57
  5. Step 5: Solve for x
    x = 268,424,416.57/18,225.70
  6. Step 6: Final answer
    x = 14,727.80

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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.