Home / 18,426.09-25,428.60-10,467.84

Finding the Fourth Proportional to 18,426.09, 25,428.60 and 10,467.84

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Solution

The fourth proportional to 18,426.09, 25,428.60 and 10,467.84 is: 14,445.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,426.09 : 25,428.60 = 10,467.84 : x
  2. Step 2: Convert to fraction form
    18,426.09/25,428.60 = 10,467.84/x
  3. Step 3: Cross multiply
    18,426.09x = 25,428.60 × 10,467.84
  4. Step 4: Simplify right side
    18,426.09x = 266,182,516.22
  5. Step 5: Solve for x
    x = 266,182,516.22/18,426.09
  6. Step 6: Final answer
    x = 14,445.96

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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.