Home / 16,667.82-23,001.48-9,114.30

Finding the Fourth Proportional to 16,667.82, 23,001.48 and 9,114.30

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Solution

The fourth proportional to 16,667.82, 23,001.48 and 9,114.30 is: 12,577.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,667.82 : 23,001.48 = 9,114.30 : x
  2. Step 2: Convert to fraction form
    16,667.82/23,001.48 = 9,114.30/x
  3. Step 3: Cross multiply
    16,667.82x = 23,001.48 × 9,114.30
  4. Step 4: Simplify right side
    16,667.82x = 209,642,389.16
  5. Step 5: Solve for x
    x = 209,642,389.16/16,667.82
  6. Step 6: Final answer
    x = 12,577.67

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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.