Home / 14,951.24-20,631.63-8,236.47

Finding the Fourth Proportional to 14,951.24, 20,631.63 and 8,236.47

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Solution

The fourth proportional to 14,951.24, 20,631.63 and 8,236.47 is: 11,365.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,951.24 : 20,631.63 = 8,236.47 : x
  2. Step 2: Convert to fraction form
    14,951.24/20,631.63 = 8,236.47/x
  3. Step 3: Cross multiply
    14,951.24x = 20,631.63 × 8,236.47
  4. Step 4: Simplify right side
    14,951.24x = 169,931,801.55
  5. Step 5: Solve for x
    x = 169,931,801.55/14,951.24
  6. Step 6: Final answer
    x = 11,365.74

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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.