Home / 13,935.05-19,215.71-10,748.86

Finding the Fourth Proportional to 13,935.05, 19,215.71 and 10,748.86

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Solution

The fourth proportional to 13,935.05, 19,215.71 and 10,748.86 is: 14,822.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935.05 : 19,215.71 = 10,748.86 : x
  2. Step 2: Convert to fraction form
    13,935.05/19,215.71 = 10,748.86/x
  3. Step 3: Cross multiply
    13,935.05x = 19,215.71 × 10,748.86
  4. Step 4: Simplify right side
    13,935.05x = 206,546,987.17
  5. Step 5: Solve for x
    x = 206,546,987.17/13,935.05
  6. Step 6: Final answer
    x = 14,822.12

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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.