Home / 18,953.54-26,166.45-13,305.62

Finding the Fourth Proportional to 18,953.54, 26,166.45 and 13,305.62

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Solution

The fourth proportional to 18,953.54, 26,166.45 and 13,305.62 is: 18,369.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,953.54 : 26,166.45 = 13,305.62 : x
  2. Step 2: Convert to fraction form
    18,953.54/26,166.45 = 13,305.62/x
  3. Step 3: Cross multiply
    18,953.54x = 26,166.45 × 13,305.62
  4. Step 4: Simplify right side
    18,953.54x = 348,160,840.45
  5. Step 5: Solve for x
    x = 348,160,840.45/18,953.54
  6. Step 6: Final answer
    x = 18,369.17

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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.