Home / 23,211.40-32,031.56-12,600.76

Finding the Fourth Proportional to 23,211.40, 32,031.56 and 12,600.76

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Solution

The fourth proportional to 23,211.40, 32,031.56 and 12,600.76 is: 17,388.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,211.40 : 32,031.56 = 12,600.76 : x
  2. Step 2: Convert to fraction form
    23,211.40/32,031.56 = 12,600.76/x
  3. Step 3: Cross multiply
    23,211.40x = 32,031.56 × 12,600.76
  4. Step 4: Simplify right side
    23,211.40x = 403,621,999.99
  5. Step 5: Solve for x
    x = 403,621,999.99/23,211.40
  6. Step 6: Final answer
    x = 17,388.96

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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.