Home / 18,712.08-25,817.54-10,753.83

Finding the Fourth Proportional to 18,712.08, 25,817.54 and 10,753.83

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Solution

The fourth proportional to 18,712.08, 25,817.54 and 10,753.83 is: 14,837.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,712.08 : 25,817.54 = 10,753.83 : x
  2. Step 2: Convert to fraction form
    18,712.08/25,817.54 = 10,753.83/x
  3. Step 3: Cross multiply
    18,712.08x = 25,817.54 × 10,753.83
  4. Step 4: Simplify right side
    18,712.08x = 277,637,382.41
  5. Step 5: Solve for x
    x = 277,637,382.41/18,712.08
  6. Step 6: Final answer
    x = 14,837.33

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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.