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Finding the Fourth Proportional to 14,460.53, 19,953.68 and 8,087.31

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Solution

The fourth proportional to 14,460.53, 19,953.68 and 8,087.31 is: 11,159.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,460.53 : 19,953.68 = 8,087.31 : x
  2. Step 2: Convert to fraction form
    14,460.53/19,953.68 = 8,087.31/x
  3. Step 3: Cross multiply
    14,460.53x = 19,953.68 × 8,087.31
  4. Step 4: Simplify right side
    14,460.53x = 161,371,555.36
  5. Step 5: Solve for x
    x = 161,371,555.36/14,460.53
  6. Step 6: Final answer
    x = 11,159.45

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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.