Home / 13,461.08-20,194.86-5,672.12

Finding the Fourth Proportional to 13,461.08, 20,194.86 and 5,672.12

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Solution

The fourth proportional to 13,461.08, 20,194.86 and 5,672.12 is: 8,509.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,461.08 : 20,194.86 = 5,672.12 : x
  2. Step 2: Convert to fraction form
    13,461.08/20,194.86 = 5,672.12/x
  3. Step 3: Cross multiply
    13,461.08x = 20,194.86 × 5,672.12
  4. Step 4: Simplify right side
    13,461.08x = 114,547,669.30
  5. Step 5: Solve for x
    x = 114,547,669.30/13,461.08
  6. Step 6: Final answer
    x = 8,509.55

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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.