Home / 23,130.72-34,686.84-8,334.36

Finding the Fourth Proportional to 23,130.72, 34,686.84 and 8,334.36

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Solution

The fourth proportional to 23,130.72, 34,686.84 and 8,334.36 is: 12,498.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,130.72 : 34,686.84 = 8,334.36 : x
  2. Step 2: Convert to fraction form
    23,130.72/34,686.84 = 8,334.36/x
  3. Step 3: Cross multiply
    23,130.72x = 34,686.84 × 8,334.36
  4. Step 4: Simplify right side
    23,130.72x = 289,092,611.82
  5. Step 5: Solve for x
    x = 289,092,611.82/23,130.72
  6. Step 6: Final answer
    x = 12,498.21

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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.