Home / 14,915.53-20,583.96-8,543.26

Finding the Fourth Proportional to 14,915.53, 20,583.96 and 8,543.26

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Solution

The fourth proportional to 14,915.53, 20,583.96 and 8,543.26 is: 11,790.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,915.53 : 20,583.96 = 8,543.26 : x
  2. Step 2: Convert to fraction form
    14,915.53/20,583.96 = 8,543.26/x
  3. Step 3: Cross multiply
    14,915.53x = 20,583.96 × 8,543.26
  4. Step 4: Simplify right side
    14,915.53x = 175,853,976.47
  5. Step 5: Solve for x
    x = 175,853,976.47/14,915.53
  6. Step 6: Final answer
    x = 11,790.00

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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.