Home / 18,384.13-25,369.77-10,207.45

Finding the Fourth Proportional to 18,384.13, 25,369.77 and 10,207.45

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Solution

The fourth proportional to 18,384.13, 25,369.77 and 10,207.45 is: 14,086.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,384.13 : 25,369.77 = 10,207.45 : x
  2. Step 2: Convert to fraction form
    18,384.13/25,369.77 = 10,207.45/x
  3. Step 3: Cross multiply
    18,384.13x = 25,369.77 × 10,207.45
  4. Step 4: Simplify right side
    18,384.13x = 258,960,658.79
  5. Step 5: Solve for x
    x = 258,960,658.79/18,384.13
  6. Step 6: Final answer
    x = 14,086.10

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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.