Home / 19,776.41-29,685.47-19,330.13

Finding the Fourth Proportional to 19,776.41, 29,685.47 and 19,330.13

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Solution

The fourth proportional to 19,776.41, 29,685.47 and 19,330.13 is: 29,015.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,776.41 : 29,685.47 = 19,330.13 : x
  2. Step 2: Convert to fraction form
    19,776.41/29,685.47 = 19,330.13/x
  3. Step 3: Cross multiply
    19,776.41x = 29,685.47 × 19,330.13
  4. Step 4: Simplify right side
    19,776.41x = 573,823,860.45
  5. Step 5: Solve for x
    x = 573,823,860.45/19,776.41
  6. Step 6: Final answer
    x = 29,015.57

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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.