Home / 14,060.16-19,402.56-7,771.68

Finding the Fourth Proportional to 14,060.16, 19,402.56 and 7,771.68

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Solution

The fourth proportional to 14,060.16, 19,402.56 and 7,771.68 is: 10,724.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,060.16 : 19,402.56 = 7,771.68 : x
  2. Step 2: Convert to fraction form
    14,060.16/19,402.56 = 7,771.68/x
  3. Step 3: Cross multiply
    14,060.16x = 19,402.56 × 7,771.68
  4. Step 4: Simplify right side
    14,060.16x = 150,790,487.50
  5. Step 5: Solve for x
    x = 150,790,487.50/14,060.16
  6. Step 6: Final answer
    x = 10,724.66

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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.