Home / 13,501.95-18,627.72-8,466.38

Finding the Fourth Proportional to 13,501.95, 18,627.72 and 8,466.38

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Solution

The fourth proportional to 13,501.95, 18,627.72 and 8,466.38 is: 11,680.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501.95 : 18,627.72 = 8,466.38 : x
  2. Step 2: Convert to fraction form
    13,501.95/18,627.72 = 8,466.38/x
  3. Step 3: Cross multiply
    13,501.95x = 18,627.72 × 8,466.38
  4. Step 4: Simplify right side
    13,501.95x = 157,709,356.05
  5. Step 5: Solve for x
    x = 157,709,356.05/13,501.95
  6. Step 6: Final answer
    x = 11,680.49

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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.