Home / 13,898.56-19,179.88-7,610.92

Finding the Fourth Proportional to 13,898.56, 19,179.88 and 7,610.92

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Solution

The fourth proportional to 13,898.56, 19,179.88 and 7,610.92 is: 10,503.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,898.56 : 19,179.88 = 7,610.92 : x
  2. Step 2: Convert to fraction form
    13,898.56/19,179.88 = 7,610.92/x
  3. Step 3: Cross multiply
    13,898.56x = 19,179.88 × 7,610.92
  4. Step 4: Simplify right side
    13,898.56x = 145,976,532.29
  5. Step 5: Solve for x
    x = 145,976,532.29/13,898.56
  6. Step 6: Final answer
    x = 10,503.00

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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.