Home / 19,656.96-27,113.76-12,204.48

Finding the Fourth Proportional to 19,656.96, 27,113.76 and 12,204.48

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Solution

The fourth proportional to 19,656.96, 27,113.76 and 12,204.48 is: 16,834.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,656.96 : 27,113.76 = 12,204.48 : x
  2. Step 2: Convert to fraction form
    19,656.96/27,113.76 = 12,204.48/x
  3. Step 3: Cross multiply
    19,656.96x = 27,113.76 × 12,204.48
  4. Step 4: Simplify right side
    19,656.96x = 330,909,341.64
  5. Step 5: Solve for x
    x = 330,909,341.64/19,656.96
  6. Step 6: Final answer
    x = 16,834.21

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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.