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Finding the Fourth Proportional to 14,433, 19,904.78 and 9,392.58

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Solution

The fourth proportional to 14,433, 19,904.78 and 9,392.58 is: 12,953.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,433 : 19,904.78 = 9,392.58 : x
  2. Step 2: Convert to fraction form
    14,433/19,904.78 = 9,392.58/x
  3. Step 3: Cross multiply
    14,433x = 19,904.78 × 9,392.58
  4. Step 4: Simplify right side
    14,433x = 186,957,191.57
  5. Step 5: Solve for x
    x = 186,957,191.57/14,433
  6. Step 6: Final answer
    x = 12,953.45

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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.