Home / 13,774.04-19,008.39-7,486.43

Finding the Fourth Proportional to 13,774.04, 19,008.39 and 7,486.43

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Solution

The fourth proportional to 13,774.04, 19,008.39 and 7,486.43 is: 10,331.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,774.04 : 19,008.39 = 7,486.43 : x
  2. Step 2: Convert to fraction form
    13,774.04/19,008.39 = 7,486.43/x
  3. Step 3: Cross multiply
    13,774.04x = 19,008.39 × 7,486.43
  4. Step 4: Simplify right side
    13,774.04x = 142,304,981.15
  5. Step 5: Solve for x
    x = 142,304,981.15/13,774.04
  6. Step 6: Final answer
    x = 10,331.39

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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.