Home / 17,876.50-24,675.23-12,586.79

Finding the Fourth Proportional to 17,876.50, 24,675.23 and 12,586.79

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Solution

The fourth proportional to 17,876.50, 24,675.23 and 12,586.79 is: 17,373.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,876.50 : 24,675.23 = 12,586.79 : x
  2. Step 2: Convert to fraction form
    17,876.50/24,675.23 = 12,586.79/x
  3. Step 3: Cross multiply
    17,876.50x = 24,675.23 × 12,586.79
  4. Step 4: Simplify right side
    17,876.50x = 310,582,031.37
  5. Step 5: Solve for x
    x = 310,582,031.37/17,876.50
  6. Step 6: Final answer
    x = 17,373.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.