Home / 13,524.05-18,663.14-7,474.12

Finding the Fourth Proportional to 13,524.05, 18,663.14 and 7,474.12

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Solution

The fourth proportional to 13,524.05, 18,663.14 and 7,474.12 is: 10,314.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,524.05 : 18,663.14 = 7,474.12 : x
  2. Step 2: Convert to fraction form
    13,524.05/18,663.14 = 7,474.12/x
  3. Step 3: Cross multiply
    13,524.05x = 18,663.14 × 7,474.12
  4. Step 4: Simplify right side
    13,524.05x = 139,490,547.94
  5. Step 5: Solve for x
    x = 139,490,547.94/13,524.05
  6. Step 6: Final answer
    x = 10,314.26

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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.