Home / 13,973.22-20,958.21-5,207.16

Finding the Fourth Proportional to 13,973.22, 20,958.21 and 5,207.16

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Solution

The fourth proportional to 13,973.22, 20,958.21 and 5,207.16 is: 7,810.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973.22 : 20,958.21 = 5,207.16 : x
  2. Step 2: Convert to fraction form
    13,973.22/20,958.21 = 5,207.16/x
  3. Step 3: Cross multiply
    13,973.22x = 20,958.21 × 5,207.16
  4. Step 4: Simplify right side
    13,973.22x = 109,132,752.78
  5. Step 5: Solve for x
    x = 109,132,752.78/13,973.22
  6. Step 6: Final answer
    x = 7,810.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.