Home / 22,447.17-30,980.74-13,503.71

Finding the Fourth Proportional to 22,447.17, 30,980.74 and 13,503.71

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Solution

The fourth proportional to 22,447.17, 30,980.74 and 13,503.71 is: 18,637.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,447.17 : 30,980.74 = 13,503.71 : x
  2. Step 2: Convert to fraction form
    22,447.17/30,980.74 = 13,503.71/x
  3. Step 3: Cross multiply
    22,447.17x = 30,980.74 × 13,503.71
  4. Step 4: Simplify right side
    22,447.17x = 418,354,884.85
  5. Step 5: Solve for x
    x = 418,354,884.85/22,447.17
  6. Step 6: Final answer
    x = 18,637.31

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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.