Home / 16,578.21-22,868.85-11,534.45

Finding the Fourth Proportional to 16,578.21, 22,868.85 and 11,534.45

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Solution

The fourth proportional to 16,578.21, 22,868.85 and 11,534.45 is: 15,911.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,578.21 : 22,868.85 = 11,534.45 : x
  2. Step 2: Convert to fraction form
    16,578.21/22,868.85 = 11,534.45/x
  3. Step 3: Cross multiply
    16,578.21x = 22,868.85 × 11,534.45
  4. Step 4: Simplify right side
    16,578.21x = 263,779,492.54
  5. Step 5: Solve for x
    x = 263,779,492.54/16,578.21
  6. Step 6: Final answer
    x = 15,911.22

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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.