Home / 13,892.83-19,171.95-7,519.28

Finding the Fourth Proportional to 13,892.83, 19,171.95 and 7,519.28

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Solution

The fourth proportional to 13,892.83, 19,171.95 and 7,519.28 is: 10,376.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,892.83 : 19,171.95 = 7,519.28 : x
  2. Step 2: Convert to fraction form
    13,892.83/19,171.95 = 7,519.28/x
  3. Step 3: Cross multiply
    13,892.83x = 19,171.95 × 7,519.28
  4. Step 4: Simplify right side
    13,892.83x = 144,159,260.20
  5. Step 5: Solve for x
    x = 144,159,260.20/13,892.83
  6. Step 6: Final answer
    x = 10,376.52

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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.