Home / 19,334.72-26,685.60-13,697.60

Finding the Fourth Proportional to 19,334.72, 26,685.60 and 13,697.60

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Solution

The fourth proportional to 19,334.72, 26,685.60 and 13,697.60 is: 18,905.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,334.72 : 26,685.60 = 13,697.60 : x
  2. Step 2: Convert to fraction form
    19,334.72/26,685.60 = 13,697.60/x
  3. Step 3: Cross multiply
    19,334.72x = 26,685.60 × 13,697.60
  4. Step 4: Simplify right side
    19,334.72x = 365,528,674.56
  5. Step 5: Solve for x
    x = 365,528,674.56/19,334.72
  6. Step 6: Final answer
    x = 18,905.30

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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.