Home / 18,817.84-25,969.48-10,434.32

Finding the Fourth Proportional to 18,817.84, 25,969.48 and 10,434.32

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Solution

The fourth proportional to 18,817.84, 25,969.48 and 10,434.32 is: 14,399.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,817.84 : 25,969.48 = 10,434.32 : x
  2. Step 2: Convert to fraction form
    18,817.84/25,969.48 = 10,434.32/x
  3. Step 3: Cross multiply
    18,817.84x = 25,969.48 × 10,434.32
  4. Step 4: Simplify right side
    18,817.84x = 270,973,864.55
  5. Step 5: Solve for x
    x = 270,973,864.55/18,817.84
  6. Step 6: Final answer
    x = 14,399.84

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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.