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Finding the Fourth Proportional to 14,460.52, 19,935.78 and 9,152.68

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Solution

The fourth proportional to 14,460.52, 19,935.78 and 9,152.68 is: 12,618.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,460.52 : 19,935.78 = 9,152.68 : x
  2. Step 2: Convert to fraction form
    14,460.52/19,935.78 = 9,152.68/x
  3. Step 3: Cross multiply
    14,460.52x = 19,935.78 × 9,152.68
  4. Step 4: Simplify right side
    14,460.52x = 182,465,814.89
  5. Step 5: Solve for x
    x = 182,465,814.89/14,460.52
  6. Step 6: Final answer
    x = 12,618.21

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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.