Home / 25,146.75-37,715.13-12,483.28

Finding the Fourth Proportional to 25,146.75, 37,715.13 and 12,483.28

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Solution

The fourth proportional to 25,146.75, 37,715.13 and 12,483.28 is: 18,722.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,146.75 : 37,715.13 = 12,483.28 : x
  2. Step 2: Convert to fraction form
    25,146.75/37,715.13 = 12,483.28/x
  3. Step 3: Cross multiply
    25,146.75x = 37,715.13 × 12,483.28
  4. Step 4: Simplify right side
    25,146.75x = 470,808,433.74
  5. Step 5: Solve for x
    x = 470,808,433.74/25,146.75
  6. Step 6: Final answer
    x = 18,722.44

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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.