Home / 18,495.17-25,521.85-11,322.08

Finding the Fourth Proportional to 18,495.17, 25,521.85 and 11,322.08

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Solution

The fourth proportional to 18,495.17, 25,521.85 and 11,322.08 is: 15,623.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,495.17 : 25,521.85 = 11,322.08 : x
  2. Step 2: Convert to fraction form
    18,495.17/25,521.85 = 11,322.08/x
  3. Step 3: Cross multiply
    18,495.17x = 25,521.85 × 11,322.08
  4. Step 4: Simplify right side
    18,495.17x = 288,960,427.45
  5. Step 5: Solve for x
    x = 288,960,427.45/18,495.17
  6. Step 6: Final answer
    x = 15,623.56

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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.