Home / 13,302.48-18,356.60-7,334.20

Finding the Fourth Proportional to 13,302.48, 18,356.60 and 7,334.20

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Solution

The fourth proportional to 13,302.48, 18,356.60 and 7,334.20 is: 10,120.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.48 : 18,356.60 = 7,334.20 : x
  2. Step 2: Convert to fraction form
    13,302.48/18,356.60 = 7,334.20/x
  3. Step 3: Cross multiply
    13,302.48x = 18,356.60 × 7,334.20
  4. Step 4: Simplify right side
    13,302.48x = 134,630,975.72
  5. Step 5: Solve for x
    x = 134,630,975.72/13,302.48
  6. Step 6: Final answer
    x = 10,120.74

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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.