Home / 13,495.18-18,632.02-8,466.30

Finding the Fourth Proportional to 13,495.18, 18,632.02 and 8,466.30

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Solution

The fourth proportional to 13,495.18, 18,632.02 and 8,466.30 is: 11,688.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,495.18 : 18,632.02 = 8,466.30 : x
  2. Step 2: Convert to fraction form
    13,495.18/18,632.02 = 8,466.30/x
  3. Step 3: Cross multiply
    13,495.18x = 18,632.02 × 8,466.30
  4. Step 4: Simplify right side
    13,495.18x = 157,744,135.43
  5. Step 5: Solve for x
    x = 157,744,135.43/13,495.18
  6. Step 6: Final answer
    x = 11,688.92

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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.