Home / 13,558.17-20,340.23-4,070.09

Finding the Fourth Proportional to 13,558.17, 20,340.23 and 4,070.09

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Solution

The fourth proportional to 13,558.17, 20,340.23 and 4,070.09 is: 6,106.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,558.17 : 20,340.23 = 4,070.09 : x
  2. Step 2: Convert to fraction form
    13,558.17/20,340.23 = 4,070.09/x
  3. Step 3: Cross multiply
    13,558.17x = 20,340.23 × 4,070.09
  4. Step 4: Simplify right side
    13,558.17x = 82,786,444.67
  5. Step 5: Solve for x
    x = 82,786,444.67/13,558.17
  6. Step 6: Final answer
    x = 6,106.02

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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.