Home / 16,031.40-24,008.70-7,813.80

Finding the Fourth Proportional to 16,031.40, 24,008.70 and 7,813.80

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Solution

The fourth proportional to 16,031.40, 24,008.70 and 7,813.80 is: 11,701.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,031.40 : 24,008.70 = 7,813.80 : x
  2. Step 2: Convert to fraction form
    16,031.40/24,008.70 = 7,813.80/x
  3. Step 3: Cross multiply
    16,031.40x = 24,008.70 × 7,813.80
  4. Step 4: Simplify right side
    16,031.40x = 187,599,180.06
  5. Step 5: Solve for x
    x = 187,599,180.06/16,031.40
  6. Step 6: Final answer
    x = 11,701.98

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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.