Home / 18,384.24-25,362.14-12,253.35

Finding the Fourth Proportional to 18,384.24, 25,362.14 and 12,253.35

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Solution

The fourth proportional to 18,384.24, 25,362.14 and 12,253.35 is: 16,904.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,384.24 : 25,362.14 = 12,253.35 : x
  2. Step 2: Convert to fraction form
    18,384.24/25,362.14 = 12,253.35/x
  3. Step 3: Cross multiply
    18,384.24x = 25,362.14 × 12,253.35
  4. Step 4: Simplify right side
    18,384.24x = 310,771,116.90
  5. Step 5: Solve for x
    x = 310,771,116.90/18,384.24
  6. Step 6: Final answer
    x = 16,904.21

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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.