Home / 18,426.79-25,429.06-10,469.46

Finding the Fourth Proportional to 18,426.79, 25,429.06 and 10,469.46

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Solution

The fourth proportional to 18,426.79, 25,429.06 and 10,469.46 is: 14,447.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,426.79 : 25,429.06 = 10,469.46 : x
  2. Step 2: Convert to fraction form
    18,426.79/25,429.06 = 10,469.46/x
  3. Step 3: Cross multiply
    18,426.79x = 25,429.06 × 10,469.46
  4. Step 4: Simplify right side
    18,426.79x = 266,228,526.51
  5. Step 5: Solve for x
    x = 266,228,526.51/18,426.79
  6. Step 6: Final answer
    x = 14,447.91

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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.