Home / 14,915.52-20,582.88-8,943.68

Finding the Fourth Proportional to 14,915.52, 20,582.88 and 8,943.68

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Solution

The fourth proportional to 14,915.52, 20,582.88 and 8,943.68 is: 12,341.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,915.52 : 20,582.88 = 8,943.68 : x
  2. Step 2: Convert to fraction form
    14,915.52/20,582.88 = 8,943.68/x
  3. Step 3: Cross multiply
    14,915.52x = 20,582.88 × 8,943.68
  4. Step 4: Simplify right side
    14,915.52x = 184,086,692.20
  5. Step 5: Solve for x
    x = 184,086,692.20/14,915.52
  6. Step 6: Final answer
    x = 12,341.96

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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.