Home / 16,324.05-22,538.01-12,540.45

Finding the Fourth Proportional to 16,324.05, 22,538.01 and 12,540.45

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Solution

The fourth proportional to 16,324.05, 22,538.01 and 12,540.45 is: 17,314.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,324.05 : 22,538.01 = 12,540.45 : x
  2. Step 2: Convert to fraction form
    16,324.05/22,538.01 = 12,540.45/x
  3. Step 3: Cross multiply
    16,324.05x = 22,538.01 × 12,540.45
  4. Step 4: Simplify right side
    16,324.05x = 282,636,787.50
  5. Step 5: Solve for x
    x = 282,636,787.50/16,324.05
  6. Step 6: Final answer
    x = 17,314.13

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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.