Home / 14,703.16-20,289.30-8,327.92

Finding the Fourth Proportional to 14,703.16, 20,289.30 and 8,327.92

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Solution

The fourth proportional to 14,703.16, 20,289.30 and 8,327.92 is: 11,491.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,703.16 : 20,289.30 = 8,327.92 : x
  2. Step 2: Convert to fraction form
    14,703.16/20,289.30 = 8,327.92/x
  3. Step 3: Cross multiply
    14,703.16x = 20,289.30 × 8,327.92
  4. Step 4: Simplify right side
    14,703.16x = 168,967,667.26
  5. Step 5: Solve for x
    x = 168,967,667.26/14,703.16
  6. Step 6: Final answer
    x = 11,491.93

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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.