Home / 14,721.98-20,316.15-8,007.53

Finding the Fourth Proportional to 14,721.98, 20,316.15 and 8,007.53

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Solution

The fourth proportional to 14,721.98, 20,316.15 and 8,007.53 is: 11,050.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,721.98 : 20,316.15 = 8,007.53 : x
  2. Step 2: Convert to fraction form
    14,721.98/20,316.15 = 8,007.53/x
  3. Step 3: Cross multiply
    14,721.98x = 20,316.15 × 8,007.53
  4. Step 4: Simplify right side
    14,721.98x = 162,682,079.03
  5. Step 5: Solve for x
    x = 162,682,079.03/14,721.98
  6. Step 6: Final answer
    x = 11,050.29

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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.