Home / 15,601.40-23,407.94-8,100.28

Finding the Fourth Proportional to 15,601.40, 23,407.94 and 8,100.28

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Solution

The fourth proportional to 15,601.40, 23,407.94 and 8,100.28 is: 12,153.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,601.40 : 23,407.94 = 8,100.28 : x
  2. Step 2: Convert to fraction form
    15,601.40/23,407.94 = 8,100.28/x
  3. Step 3: Cross multiply
    15,601.40x = 23,407.94 × 8,100.28
  4. Step 4: Simplify right side
    15,601.40x = 189,610,829.95
  5. Step 5: Solve for x
    x = 189,610,829.95/15,601.40
  6. Step 6: Final answer
    x = 12,153.45

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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.