Home / 14,145.30-21,207.15-8,597.46

Finding the Fourth Proportional to 14,145.30, 21,207.15 and 8,597.46

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Solution

The fourth proportional to 14,145.30, 21,207.15 and 8,597.46 is: 12,889.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,145.30 : 21,207.15 = 8,597.46 : x
  2. Step 2: Convert to fraction form
    14,145.30/21,207.15 = 8,597.46/x
  3. Step 3: Cross multiply
    14,145.30x = 21,207.15 × 8,597.46
  4. Step 4: Simplify right side
    14,145.30x = 182,327,623.84
  5. Step 5: Solve for x
    x = 182,327,623.84/14,145.30
  6. Step 6: Final answer
    x = 12,889.63

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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.