Home / 18,417.36-25,424.52-10,861.14

Finding the Fourth Proportional to 18,417.36, 25,424.52 and 10,861.14

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Solution

The fourth proportional to 18,417.36, 25,424.52 and 10,861.14 is: 14,993.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,417.36 : 25,424.52 = 10,861.14 : x
  2. Step 2: Convert to fraction form
    18,417.36/25,424.52 = 10,861.14/x
  3. Step 3: Cross multiply
    18,417.36x = 25,424.52 × 10,861.14
  4. Step 4: Simplify right side
    18,417.36x = 276,139,271.15
  5. Step 5: Solve for x
    x = 276,139,271.15/18,417.36
  6. Step 6: Final answer
    x = 14,993.42

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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.