Home / 13,955.49-19,242.30-10,412.55

Finding the Fourth Proportional to 13,955.49, 19,242.30 and 10,412.55

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Solution

The fourth proportional to 13,955.49, 19,242.30 and 10,412.55 is: 14,357.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.49 : 19,242.30 = 10,412.55 : x
  2. Step 2: Convert to fraction form
    13,955.49/19,242.30 = 10,412.55/x
  3. Step 3: Cross multiply
    13,955.49x = 19,242.30 × 10,412.55
  4. Step 4: Simplify right side
    13,955.49x = 200,361,410.87
  5. Step 5: Solve for x
    x = 200,361,410.87/13,955.49
  6. Step 6: Final answer
    x = 14,357.17

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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.