Home / 14,723.52-20,318.99-8,437.11

Finding the Fourth Proportional to 14,723.52, 20,318.99 and 8,437.11

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Solution

The fourth proportional to 14,723.52, 20,318.99 and 8,437.11 is: 11,643.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,723.52 : 20,318.99 = 8,437.11 : x
  2. Step 2: Convert to fraction form
    14,723.52/20,318.99 = 8,437.11/x
  3. Step 3: Cross multiply
    14,723.52x = 20,318.99 × 8,437.11
  4. Step 4: Simplify right side
    14,723.52x = 171,433,473.22
  5. Step 5: Solve for x
    x = 171,433,473.22/14,723.52
  6. Step 6: Final answer
    x = 11,643.52

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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.