Home / 16,032.72-22,140.36-15,160.08

Finding the Fourth Proportional to 16,032.72, 22,140.36 and 15,160.08

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Solution

The fourth proportional to 16,032.72, 22,140.36 and 15,160.08 is: 20,935.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,032.72 : 22,140.36 = 15,160.08 : x
  2. Step 2: Convert to fraction form
    16,032.72/22,140.36 = 15,160.08/x
  3. Step 3: Cross multiply
    16,032.72x = 22,140.36 × 15,160.08
  4. Step 4: Simplify right side
    16,032.72x = 335,649,628.83
  5. Step 5: Solve for x
    x = 335,649,628.83/16,032.72
  6. Step 6: Final answer
    x = 20,935.29

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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.