Home / 14,595.90-20,139.61-8,222.01

Finding the Fourth Proportional to 14,595.90, 20,139.61 and 8,222.01

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Solution

The fourth proportional to 14,595.90, 20,139.61 and 8,222.01 is: 11,344.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,595.90 : 20,139.61 = 8,222.01 : x
  2. Step 2: Convert to fraction form
    14,595.90/20,139.61 = 8,222.01/x
  3. Step 3: Cross multiply
    14,595.90x = 20,139.61 × 8,222.01
  4. Step 4: Simplify right side
    14,595.90x = 165,588,074.82
  5. Step 5: Solve for x
    x = 165,588,074.82/14,595.90
  6. Step 6: Final answer
    x = 11,344.83

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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.