Home / 18,346.08-25,317.60-9,962.72

Finding the Fourth Proportional to 18,346.08, 25,317.60 and 9,962.72

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Solution

The fourth proportional to 18,346.08, 25,317.60 and 9,962.72 is: 13,748.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,346.08 : 25,317.60 = 9,962.72 : x
  2. Step 2: Convert to fraction form
    18,346.08/25,317.60 = 9,962.72/x
  3. Step 3: Cross multiply
    18,346.08x = 25,317.60 × 9,962.72
  4. Step 4: Simplify right side
    18,346.08x = 252,232,159.87
  5. Step 5: Solve for x
    x = 252,232,159.87/18,346.08
  6. Step 6: Final answer
    x = 13,748.56

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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.