Home / 15,461.10-23,220.09-8,070.54

Finding the Fourth Proportional to 15,461.10, 23,220.09 and 8,070.54

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Solution

The fourth proportional to 15,461.10, 23,220.09 and 8,070.54 is: 12,120.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,461.10 : 23,220.09 = 8,070.54 : x
  2. Step 2: Convert to fraction form
    15,461.10/23,220.09 = 8,070.54/x
  3. Step 3: Cross multiply
    15,461.10x = 23,220.09 × 8,070.54
  4. Step 4: Simplify right side
    15,461.10x = 187,398,665.15
  5. Step 5: Solve for x
    x = 187,398,665.15/15,461.10
  6. Step 6: Final answer
    x = 12,120.66

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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.