Home / 18,549.92-25,603.64-11,472.32

Finding the Fourth Proportional to 18,549.92, 25,603.64 and 11,472.32

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Solution

The fourth proportional to 18,549.92, 25,603.64 and 11,472.32 is: 15,834.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,549.92 : 25,603.64 = 11,472.32 : x
  2. Step 2: Convert to fraction form
    18,549.92/25,603.64 = 11,472.32/x
  3. Step 3: Cross multiply
    18,549.92x = 25,603.64 × 11,472.32
  4. Step 4: Simplify right side
    18,549.92x = 293,733,151.24
  5. Step 5: Solve for x
    x = 293,733,151.24/18,549.92
  6. Step 6: Final answer
    x = 15,834.74

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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.