Home / 19,957.96-27,543.83-11,461.20

Finding the Fourth Proportional to 19,957.96, 27,543.83 and 11,461.20

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Solution

The fourth proportional to 19,957.96, 27,543.83 and 11,461.20 is: 15,817.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,957.96 : 27,543.83 = 11,461.20 : x
  2. Step 2: Convert to fraction form
    19,957.96/27,543.83 = 11,461.20/x
  3. Step 3: Cross multiply
    19,957.96x = 27,543.83 × 11,461.20
  4. Step 4: Simplify right side
    19,957.96x = 315,685,344.40
  5. Step 5: Solve for x
    x = 315,685,344.40/19,957.96
  6. Step 6: Final answer
    x = 15,817.52

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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.