Home / 13,316.08-18,372.81-9,773.14

Finding the Fourth Proportional to 13,316.08, 18,372.81 and 9,773.14

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Solution

The fourth proportional to 13,316.08, 18,372.81 and 9,773.14 is: 13,484.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316.08 : 18,372.81 = 9,773.14 : x
  2. Step 2: Convert to fraction form
    13,316.08/18,372.81 = 9,773.14/x
  3. Step 3: Cross multiply
    13,316.08x = 18,372.81 × 9,773.14
  4. Step 4: Simplify right side
    13,316.08x = 179,560,044.32
  5. Step 5: Solve for x
    x = 179,560,044.32/13,316.08
  6. Step 6: Final answer
    x = 13,484.45

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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.