Home / 14,511.31-20,031.18-8,543.23

Finding the Fourth Proportional to 14,511.31, 20,031.18 and 8,543.23

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Solution

The fourth proportional to 14,511.31, 20,031.18 and 8,543.23 is: 11,792.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,511.31 : 20,031.18 = 8,543.23 : x
  2. Step 2: Convert to fraction form
    14,511.31/20,031.18 = 8,543.23/x
  3. Step 3: Cross multiply
    14,511.31x = 20,031.18 × 8,543.23
  4. Step 4: Simplify right side
    14,511.31x = 171,130,977.91
  5. Step 5: Solve for x
    x = 171,130,977.91/14,511.31
  6. Step 6: Final answer
    x = 11,792.94

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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.