Home / 18,721.98-25,837.38-10,224.89

Finding the Fourth Proportional to 18,721.98, 25,837.38 and 10,224.89

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Solution

The fourth proportional to 18,721.98, 25,837.38 and 10,224.89 is: 14,110.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,721.98 : 25,837.38 = 10,224.89 : x
  2. Step 2: Convert to fraction form
    18,721.98/25,837.38 = 10,224.89/x
  3. Step 3: Cross multiply
    18,721.98x = 25,837.38 × 10,224.89
  4. Step 4: Simplify right side
    18,721.98x = 264,184,368.39
  5. Step 5: Solve for x
    x = 264,184,368.39/18,721.98
  6. Step 6: Final answer
    x = 14,110.92

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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.