Home / 18,384.17-25,369.12-10,317.07

Finding the Fourth Proportional to 18,384.17, 25,369.12 and 10,317.07

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Solution

The fourth proportional to 18,384.17, 25,369.12 and 10,317.07 is: 14,236.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,384.17 : 25,369.12 = 10,317.07 : x
  2. Step 2: Convert to fraction form
    18,384.17/25,369.12 = 10,317.07/x
  3. Step 3: Cross multiply
    18,384.17x = 25,369.12 × 10,317.07
  4. Step 4: Simplify right side
    18,384.17x = 261,734,973.45
  5. Step 5: Solve for x
    x = 261,734,973.45/18,384.17
  6. Step 6: Final answer
    x = 14,236.98

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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.