Home / 20,201.10-30,271.95-14,666.10

Finding the Fourth Proportional to 20,201.10, 30,271.95 and 14,666.10

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Solution

The fourth proportional to 20,201.10, 30,271.95 and 14,666.10 is: 21,977.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,201.10 : 30,271.95 = 14,666.10 : x
  2. Step 2: Convert to fraction form
    20,201.10/30,271.95 = 14,666.10/x
  3. Step 3: Cross multiply
    20,201.10x = 30,271.95 × 14,666.10
  4. Step 4: Simplify right side
    20,201.10x = 443,971,445.90
  5. Step 5: Solve for x
    x = 443,971,445.90/20,201.10
  6. Step 6: Final answer
    x = 21,977.59

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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.