Home / 16,372.58-22,602.67-12,730.55

Finding the Fourth Proportional to 16,372.58, 22,602.67 and 12,730.55

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Solution

The fourth proportional to 16,372.58, 22,602.67 and 12,730.55 is: 17,574.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,372.58 : 22,602.67 = 12,730.55 : x
  2. Step 2: Convert to fraction form
    16,372.58/22,602.67 = 12,730.55/x
  3. Step 3: Cross multiply
    16,372.58x = 22,602.67 × 12,730.55
  4. Step 4: Simplify right side
    16,372.58x = 287,744,275.73
  5. Step 5: Solve for x
    x = 287,744,275.73/16,372.58
  6. Step 6: Final answer
    x = 17,574.77

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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.