Home / 14,837.98-20,476.38-8,869.36

Finding the Fourth Proportional to 14,837.98, 20,476.38 and 8,869.36

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Solution

The fourth proportional to 14,837.98, 20,476.38 and 8,869.36 is: 12,239.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,837.98 : 20,476.38 = 8,869.36 : x
  2. Step 2: Convert to fraction form
    14,837.98/20,476.38 = 8,869.36/x
  3. Step 3: Cross multiply
    14,837.98x = 20,476.38 × 8,869.36
  4. Step 4: Simplify right side
    14,837.98x = 181,612,385.72
  5. Step 5: Solve for x
    x = 181,612,385.72/14,837.98
  6. Step 6: Final answer
    x = 12,239.70

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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.