Home / 16,128.31-24,201.81-6,767.50

Finding the Fourth Proportional to 16,128.31, 24,201.81 and 6,767.50

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Solution

The fourth proportional to 16,128.31, 24,201.81 and 6,767.50 is: 10,155.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128.31 : 24,201.81 = 6,767.50 : x
  2. Step 2: Convert to fraction form
    16,128.31/24,201.81 = 6,767.50/x
  3. Step 3: Cross multiply
    16,128.31x = 24,201.81 × 6,767.50
  4. Step 4: Simplify right side
    16,128.31x = 163,785,749.18
  5. Step 5: Solve for x
    x = 163,785,749.18/16,128.31
  6. Step 6: Final answer
    x = 10,155.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.