Home / 14,977.48-20,667.52-8,261.52

Finding the Fourth Proportional to 14,977.48, 20,667.52 and 8,261.52

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Solution

The fourth proportional to 14,977.48, 20,667.52 and 8,261.52 is: 11,400.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,977.48 : 20,667.52 = 8,261.52 : x
  2. Step 2: Convert to fraction form
    14,977.48/20,667.52 = 8,261.52/x
  3. Step 3: Cross multiply
    14,977.48x = 20,667.52 × 8,261.52
  4. Step 4: Simplify right side
    14,977.48x = 170,745,129.83
  5. Step 5: Solve for x
    x = 170,745,129.83/14,977.48
  6. Step 6: Final answer
    x = 11,400.12

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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.