Home / 14,521.63-20,039.52-8,553.55

Finding the Fourth Proportional to 14,521.63, 20,039.52 and 8,553.55

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Solution

The fourth proportional to 14,521.63, 20,039.52 and 8,553.55 is: 11,803.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,521.63 : 20,039.52 = 8,553.55 : x
  2. Step 2: Convert to fraction form
    14,521.63/20,039.52 = 8,553.55/x
  3. Step 3: Cross multiply
    14,521.63x = 20,039.52 × 8,553.55
  4. Step 4: Simplify right side
    14,521.63x = 171,409,036.30
  5. Step 5: Solve for x
    x = 171,409,036.30/14,521.63
  6. Step 6: Final answer
    x = 11,803.70

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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.