Home / 13,955.49-19,258.68-7,582.14

Finding the Fourth Proportional to 13,955.49, 19,258.68 and 7,582.14

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Solution

The fourth proportional to 13,955.49, 19,258.68 and 7,582.14 is: 10,463.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.49 : 19,258.68 = 7,582.14 : x
  2. Step 2: Convert to fraction form
    13,955.49/19,258.68 = 7,582.14/x
  3. Step 3: Cross multiply
    13,955.49x = 19,258.68 × 7,582.14
  4. Step 4: Simplify right side
    13,955.49x = 146,022,007.98
  5. Step 5: Solve for x
    x = 146,022,007.98/13,955.49
  6. Step 6: Final answer
    x = 10,463.41

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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.