Home / 16,079.72-22,292.75-15,509.48

Finding the Fourth Proportional to 16,079.72, 22,292.75 and 15,509.48

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Solution

The fourth proportional to 16,079.72, 22,292.75 and 15,509.48 is: 21,502.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,079.72 : 22,292.75 = 15,509.48 : x
  2. Step 2: Convert to fraction form
    16,079.72/22,292.75 = 15,509.48/x
  3. Step 3: Cross multiply
    16,079.72x = 22,292.75 × 15,509.48
  4. Step 4: Simplify right side
    16,079.72x = 345,748,960.27
  5. Step 5: Solve for x
    x = 345,748,960.27/16,079.72
  6. Step 6: Final answer
    x = 21,502.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.