Home / 13,325.17-18,466.51-13,137.25

Finding the Fourth Proportional to 13,325.17, 18,466.51 and 13,137.25

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Solution

The fourth proportional to 13,325.17, 18,466.51 and 13,137.25 is: 18,206.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325.17 : 18,466.51 = 13,137.25 : x
  2. Step 2: Convert to fraction form
    13,325.17/18,466.51 = 13,137.25/x
  3. Step 3: Cross multiply
    13,325.17x = 18,466.51 × 13,137.25
  4. Step 4: Simplify right side
    13,325.17x = 242,599,158.50
  5. Step 5: Solve for x
    x = 242,599,158.50/13,325.17
  6. Step 6: Final answer
    x = 18,206.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.