Home / 19,451.54-26,816.06-16,439.15

Finding the Fourth Proportional to 19,451.54, 26,816.06 and 16,439.15

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Solution

The fourth proportional to 19,451.54, 26,816.06 and 16,439.15 is: 22,663.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,451.54 : 26,816.06 = 16,439.15 : x
  2. Step 2: Convert to fraction form
    19,451.54/26,816.06 = 16,439.15/x
  3. Step 3: Cross multiply
    19,451.54x = 26,816.06 × 16,439.15
  4. Step 4: Simplify right side
    19,451.54x = 440,833,340.89
  5. Step 5: Solve for x
    x = 440,833,340.89/19,451.54
  6. Step 6: Final answer
    x = 22,663.16

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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.