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Finding the Fourth Proportional to 18,339.88, 27,547.74 and 14,833.80

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Solution

The fourth proportional to 18,339.88, 27,547.74 and 14,833.80 is: 22,281.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,339.88 : 27,547.74 = 14,833.80 : x
  2. Step 2: Convert to fraction form
    18,339.88/27,547.74 = 14,833.80/x
  3. Step 3: Cross multiply
    18,339.88x = 27,547.74 × 14,833.80
  4. Step 4: Simplify right side
    18,339.88x = 408,637,665.61
  5. Step 5: Solve for x
    x = 408,637,665.61/18,339.88
  6. Step 6: Final answer
    x = 22,281.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.