Home / 14,915.34-20,582.65-8,200.92

Finding the Fourth Proportional to 14,915.34, 20,582.65 and 8,200.92

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Solution

The fourth proportional to 14,915.34, 20,582.65 and 8,200.92 is: 11,316.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,915.34 : 20,582.65 = 8,200.92 : x
  2. Step 2: Convert to fraction form
    14,915.34/20,582.65 = 8,200.92/x
  3. Step 3: Cross multiply
    14,915.34x = 20,582.65 × 8,200.92
  4. Step 4: Simplify right side
    14,915.34x = 168,796,722.72
  5. Step 5: Solve for x
    x = 168,796,722.72/14,915.34
  6. Step 6: Final answer
    x = 11,316.99

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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.