Home / 19,541.92-26,957.64-11,989.93

Finding the Fourth Proportional to 19,541.92, 26,957.64 and 11,989.93

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Solution

The fourth proportional to 19,541.92, 26,957.64 and 11,989.93 is: 16,539.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,541.92 : 26,957.64 = 11,989.93 : x
  2. Step 2: Convert to fraction form
    19,541.92/26,957.64 = 11,989.93/x
  3. Step 3: Cross multiply
    19,541.92x = 26,957.64 × 11,989.93
  4. Step 4: Simplify right side
    19,541.92x = 323,220,320.50
  5. Step 5: Solve for x
    x = 323,220,320.50/19,541.92
  6. Step 6: Final answer
    x = 16,539.85

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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.