Home / 14,856.69-20,493.99-9,190.47

Finding the Fourth Proportional to 14,856.69, 20,493.99 and 9,190.47

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Solution

The fourth proportional to 14,856.69, 20,493.99 and 9,190.47 is: 12,677.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,856.69 : 20,493.99 = 9,190.47 : x
  2. Step 2: Convert to fraction form
    14,856.69/20,493.99 = 9,190.47/x
  3. Step 3: Cross multiply
    14,856.69x = 20,493.99 × 9,190.47
  4. Step 4: Simplify right side
    14,856.69x = 188,349,400.28
  5. Step 5: Solve for x
    x = 188,349,400.28/14,856.69
  6. Step 6: Final answer
    x = 12,677.75

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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.