Home / 15,455.37-23,184.90-4,921.70

Finding the Fourth Proportional to 15,455.37, 23,184.90 and 4,921.70

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Solution

The fourth proportional to 15,455.37, 23,184.90 and 4,921.70 is: 7,383.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,455.37 : 23,184.90 = 4,921.70 : x
  2. Step 2: Convert to fraction form
    15,455.37/23,184.90 = 4,921.70/x
  3. Step 3: Cross multiply
    15,455.37x = 23,184.90 × 4,921.70
  4. Step 4: Simplify right side
    15,455.37x = 114,109,006.41
  5. Step 5: Solve for x
    x = 114,109,006.41/15,455.37
  6. Step 6: Final answer
    x = 7,383.13

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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.