Home / 19,637.16-29,451.61-6,486.54

Finding the Fourth Proportional to 19,637.16, 29,451.61 and 6,486.54

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Solution

The fourth proportional to 19,637.16, 29,451.61 and 6,486.54 is: 9,728.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,637.16 : 29,451.61 = 6,486.54 : x
  2. Step 2: Convert to fraction form
    19,637.16/29,451.61 = 6,486.54/x
  3. Step 3: Cross multiply
    19,637.16x = 29,451.61 × 6,486.54
  4. Step 4: Simplify right side
    19,637.16x = 191,039,046.33
  5. Step 5: Solve for x
    x = 191,039,046.33/19,637.16
  6. Step 6: Final answer
    x = 9,728.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.