Home / 14,156.96-19,518.24-9,112.16

Finding the Fourth Proportional to 14,156.96, 19,518.24 and 9,112.16

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Solution

The fourth proportional to 14,156.96, 19,518.24 and 9,112.16 is: 12,562.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156.96 : 19,518.24 = 9,112.16 : x
  2. Step 2: Convert to fraction form
    14,156.96/19,518.24 = 9,112.16/x
  3. Step 3: Cross multiply
    14,156.96x = 19,518.24 × 9,112.16
  4. Step 4: Simplify right side
    14,156.96x = 177,853,325.80
  5. Step 5: Solve for x
    x = 177,853,325.80/14,156.96
  6. Step 6: Final answer
    x = 12,562.96

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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.