Home / 18,596.17-25,655.29-11,880.06

Finding the Fourth Proportional to 18,596.17, 25,655.29 and 11,880.06

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Solution

The fourth proportional to 18,596.17, 25,655.29 and 11,880.06 is: 16,389.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,596.17 : 25,655.29 = 11,880.06 : x
  2. Step 2: Convert to fraction form
    18,596.17/25,655.29 = 11,880.06/x
  3. Step 3: Cross multiply
    18,596.17x = 25,655.29 × 11,880.06
  4. Step 4: Simplify right side
    18,596.17x = 304,786,384.52
  5. Step 5: Solve for x
    x = 304,786,384.52/18,596.17
  6. Step 6: Final answer
    x = 16,389.74

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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.