Home / 18,368.11-25,353.72-10,813.84

Finding the Fourth Proportional to 18,368.11, 25,353.72 and 10,813.84

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Solution

The fourth proportional to 18,368.11, 25,353.72 and 10,813.84 is: 14,926.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,368.11 : 25,353.72 = 10,813.84 : x
  2. Step 2: Convert to fraction form
    18,368.11/25,353.72 = 10,813.84/x
  3. Step 3: Cross multiply
    18,368.11x = 25,353.72 × 10,813.84
  4. Step 4: Simplify right side
    18,368.11x = 274,171,071.48
  5. Step 5: Solve for x
    x = 274,171,071.48/18,368.11
  6. Step 6: Final answer
    x = 14,926.47

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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.