Home / 16,721.35-25,113.27-14,720.75

Finding the Fourth Proportional to 16,721.35, 25,113.27 and 14,720.75

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Solution

The fourth proportional to 16,721.35, 25,113.27 and 14,720.75 is: 22,108.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,721.35 : 25,113.27 = 14,720.75 : x
  2. Step 2: Convert to fraction form
    16,721.35/25,113.27 = 14,720.75/x
  3. Step 3: Cross multiply
    16,721.35x = 25,113.27 × 14,720.75
  4. Step 4: Simplify right side
    16,721.35x = 369,686,095.75
  5. Step 5: Solve for x
    x = 369,686,095.75/16,721.35
  6. Step 6: Final answer
    x = 22,108.63

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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.