Home / 14,953.52-20,635.56-8,239.76

Finding the Fourth Proportional to 14,953.52, 20,635.56 and 8,239.76

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Solution

The fourth proportional to 14,953.52, 20,635.56 and 8,239.76 is: 11,370.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,953.52 : 20,635.56 = 8,239.76 : x
  2. Step 2: Convert to fraction form
    14,953.52/20,635.56 = 8,239.76/x
  3. Step 3: Cross multiply
    14,953.52x = 20,635.56 × 8,239.76
  4. Step 4: Simplify right side
    14,953.52x = 170,032,061.87
  5. Step 5: Solve for x
    x = 170,032,061.87/14,953.52
  6. Step 6: Final answer
    x = 11,370.70

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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.