Home / 18,284.40-25,225.08-10,324.80

Finding the Fourth Proportional to 18,284.40, 25,225.08 and 10,324.80

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Solution

The fourth proportional to 18,284.40, 25,225.08 and 10,324.80 is: 14,244.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,284.40 : 25,225.08 = 10,324.80 : x
  2. Step 2: Convert to fraction form
    18,284.40/25,225.08 = 10,324.80/x
  3. Step 3: Cross multiply
    18,284.40x = 25,225.08 × 10,324.80
  4. Step 4: Simplify right side
    18,284.40x = 260,443,905.98
  5. Step 5: Solve for x
    x = 260,443,905.98/18,284.40
  6. Step 6: Final answer
    x = 14,244.05

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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.