Home / 19,938.69-27,494.46-14,895

Finding the Fourth Proportional to 19,938.69, 27,494.46 and 14,895

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Solution

The fourth proportional to 19,938.69, 27,494.46 and 14,895 is: 20,539.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,938.69 : 27,494.46 = 14,895 : x
  2. Step 2: Convert to fraction form
    19,938.69/27,494.46 = 14,895/x
  3. Step 3: Cross multiply
    19,938.69x = 27,494.46 × 14,895
  4. Step 4: Simplify right side
    19,938.69x = 409,529,981.70
  5. Step 5: Solve for x
    x = 409,529,981.70/19,938.69
  6. Step 6: Final answer
    x = 20,539.46

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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.