Home / 18,358.04-25,333.10-10,400.09

Finding the Fourth Proportional to 18,358.04, 25,333.10 and 10,400.09

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Solution

The fourth proportional to 18,358.04, 25,333.10 and 10,400.09 is: 14,351.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,358.04 : 25,333.10 = 10,400.09 : x
  2. Step 2: Convert to fraction form
    18,358.04/25,333.10 = 10,400.09/x
  3. Step 3: Cross multiply
    18,358.04x = 25,333.10 × 10,400.09
  4. Step 4: Simplify right side
    18,358.04x = 263,466,341.31
  5. Step 5: Solve for x
    x = 263,466,341.31/18,358.04
  6. Step 6: Final answer
    x = 14,351.55

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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.