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Finding the Fourth Proportional to 18,089.94, 24,959.10 and 11,011.32

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Solution

The fourth proportional to 18,089.94, 24,959.10 and 11,011.32 is: 15,192.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,089.94 : 24,959.10 = 11,011.32 : x
  2. Step 2: Convert to fraction form
    18,089.94/24,959.10 = 11,011.32/x
  3. Step 3: Cross multiply
    18,089.94x = 24,959.10 × 11,011.32
  4. Step 4: Simplify right side
    18,089.94x = 274,832,637.01
  5. Step 5: Solve for x
    x = 274,832,637.01/18,089.94
  6. Step 6: Final answer
    x = 15,192.57

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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.