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Finding the Fourth Proportional to 14,927.22, 20,598.81 and 8,957.70

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Solution

The fourth proportional to 14,927.22, 20,598.81 and 8,957.70 is: 12,361.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,927.22 : 20,598.81 = 8,957.70 : x
  2. Step 2: Convert to fraction form
    14,927.22/20,598.81 = 8,957.70/x
  3. Step 3: Cross multiply
    14,927.22x = 20,598.81 × 8,957.70
  4. Step 4: Simplify right side
    14,927.22x = 184,517,960.34
  5. Step 5: Solve for x
    x = 184,517,960.34/14,927.22
  6. Step 6: Final answer
    x = 12,361.17

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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.