Home / 13,860.59-19,127.62-7,572.97

Finding the Fourth Proportional to 13,860.59, 19,127.62 and 7,572.97

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Solution

The fourth proportional to 13,860.59, 19,127.62 and 7,572.97 is: 10,450.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,860.59 : 19,127.62 = 7,572.97 : x
  2. Step 2: Convert to fraction form
    13,860.59/19,127.62 = 7,572.97/x
  3. Step 3: Cross multiply
    13,860.59x = 19,127.62 × 7,572.97
  4. Step 4: Simplify right side
    13,860.59x = 144,852,892.43
  5. Step 5: Solve for x
    x = 144,852,892.43/13,860.59
  6. Step 6: Final answer
    x = 10,450.70

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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.