Home / 14,265.06-19,685.43-7,892.01

Finding the Fourth Proportional to 14,265.06, 19,685.43 and 7,892.01

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Solution

The fourth proportional to 14,265.06, 19,685.43 and 7,892.01 is: 10,890.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,265.06 : 19,685.43 = 7,892.01 : x
  2. Step 2: Convert to fraction form
    14,265.06/19,685.43 = 7,892.01/x
  3. Step 3: Cross multiply
    14,265.06x = 19,685.43 × 7,892.01
  4. Step 4: Simplify right side
    14,265.06x = 155,357,610.41
  5. Step 5: Solve for x
    x = 155,357,610.41/14,265.06
  6. Step 6: Final answer
    x = 10,890.78

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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.