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Finding the Fourth Proportional to 14,882.69, 20,539.03 and 9,838.16

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Solution

The fourth proportional to 14,882.69, 20,539.03 and 9,838.16 is: 13,577.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,882.69 : 20,539.03 = 9,838.16 : x
  2. Step 2: Convert to fraction form
    14,882.69/20,539.03 = 9,838.16/x
  3. Step 3: Cross multiply
    14,882.69x = 20,539.03 × 9,838.16
  4. Step 4: Simplify right side
    14,882.69x = 202,066,263.38
  5. Step 5: Solve for x
    x = 202,066,263.38/14,882.69
  6. Step 6: Final answer
    x = 13,577.27

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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.