Home / 13,060.12-19,602.60-8,114.80

Finding the Fourth Proportional to 13,060.12, 19,602.60 and 8,114.80

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Solution

The fourth proportional to 13,060.12, 19,602.60 and 8,114.80 is: 12,179.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,060.12 : 19,602.60 = 8,114.80 : x
  2. Step 2: Convert to fraction form
    13,060.12/19,602.60 = 8,114.80/x
  3. Step 3: Cross multiply
    13,060.12x = 19,602.60 × 8,114.80
  4. Step 4: Simplify right side
    13,060.12x = 159,071,178.48
  5. Step 5: Solve for x
    x = 159,071,178.48/13,060.12
  6. Step 6: Final answer
    x = 12,179.92

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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.