Home / 14,436.88-19,924.64-8,772.55

Finding the Fourth Proportional to 14,436.88, 19,924.64 and 8,772.55

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Solution

The fourth proportional to 14,436.88, 19,924.64 and 8,772.55 is: 12,107.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,436.88 : 19,924.64 = 8,772.55 : x
  2. Step 2: Convert to fraction form
    14,436.88/19,924.64 = 8,772.55/x
  3. Step 3: Cross multiply
    14,436.88x = 19,924.64 × 8,772.55
  4. Step 4: Simplify right side
    14,436.88x = 174,789,900.63
  5. Step 5: Solve for x
    x = 174,789,900.63/14,436.88
  6. Step 6: Final answer
    x = 12,107.18

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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.