Home / 14,318.10-19,759.14-7,945.02

Finding the Fourth Proportional to 14,318.10, 19,759.14 and 7,945.02

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Solution

The fourth proportional to 14,318.10, 19,759.14 and 7,945.02 is: 10,964.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.10 : 19,759.14 = 7,945.02 : x
  2. Step 2: Convert to fraction form
    14,318.10/19,759.14 = 7,945.02/x
  3. Step 3: Cross multiply
    14,318.10x = 19,759.14 × 7,945.02
  4. Step 4: Simplify right side
    14,318.10x = 156,986,762.48
  5. Step 5: Solve for x
    x = 156,986,762.48/14,318.10
  6. Step 6: Final answer
    x = 10,964.22

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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.