Home / 13,958.16-19,279.36-10,437.04

Finding the Fourth Proportional to 13,958.16, 19,279.36 and 10,437.04

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Solution

The fourth proportional to 13,958.16, 19,279.36 and 10,437.04 is: 14,415.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,958.16 : 19,279.36 = 10,437.04 : x
  2. Step 2: Convert to fraction form
    13,958.16/19,279.36 = 10,437.04/x
  3. Step 3: Cross multiply
    13,958.16x = 19,279.36 × 10,437.04
  4. Step 4: Simplify right side
    13,958.16x = 201,219,451.49
  5. Step 5: Solve for x
    x = 201,219,451.49/13,958.16
  6. Step 6: Final answer
    x = 14,415.90

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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.