Home / 19,335.76-26,674.32-13,670.56

Finding the Fourth Proportional to 19,335.76, 26,674.32 and 13,670.56

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Solution

The fourth proportional to 19,335.76, 26,674.32 and 13,670.56 is: 18,858.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,335.76 : 26,674.32 = 13,670.56 : x
  2. Step 2: Convert to fraction form
    19,335.76/26,674.32 = 13,670.56/x
  3. Step 3: Cross multiply
    19,335.76x = 26,674.32 × 13,670.56
  4. Step 4: Simplify right side
    19,335.76x = 364,652,892.02
  5. Step 5: Solve for x
    x = 364,652,892.02/19,335.76
  6. Step 6: Final answer
    x = 18,858.99

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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.