Home / 20,710.52-31,058.88-6,667.26

Finding the Fourth Proportional to 20,710.52, 31,058.88 and 6,667.26

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Solution

The fourth proportional to 20,710.52, 31,058.88 and 6,667.26 is: 9,998.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,710.52 : 31,058.88 = 6,667.26 : x
  2. Step 2: Convert to fraction form
    20,710.52/31,058.88 = 6,667.26/x
  3. Step 3: Cross multiply
    20,710.52x = 31,058.88 × 6,667.26
  4. Step 4: Simplify right side
    20,710.52x = 207,077,628.27
  5. Step 5: Solve for x
    x = 207,077,628.27/20,710.52
  6. Step 6: Final answer
    x = 9,998.67

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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.