Home / 18,363.51-25,340.04-10,405.26

Finding the Fourth Proportional to 18,363.51, 25,340.04 and 10,405.26

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Solution

The fourth proportional to 18,363.51, 25,340.04 and 10,405.26 is: 14,358.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,363.51 : 25,340.04 = 10,405.26 : x
  2. Step 2: Convert to fraction form
    18,363.51/25,340.04 = 10,405.26/x
  3. Step 3: Cross multiply
    18,363.51x = 25,340.04 × 10,405.26
  4. Step 4: Simplify right side
    18,363.51x = 263,669,704.61
  5. Step 5: Solve for x
    x = 263,669,704.61/18,363.51
  6. Step 6: Final answer
    x = 14,358.35

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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.