Home / 20,573.97-28,396.88-14,607.51

Finding the Fourth Proportional to 20,573.97, 28,396.88 and 14,607.51

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Solution

The fourth proportional to 20,573.97, 28,396.88 and 14,607.51 is: 20,161.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,573.97 : 28,396.88 = 14,607.51 : x
  2. Step 2: Convert to fraction form
    20,573.97/28,396.88 = 14,607.51/x
  3. Step 3: Cross multiply
    20,573.97x = 28,396.88 × 14,607.51
  4. Step 4: Simplify right side
    20,573.97x = 414,807,635.53
  5. Step 5: Solve for x
    x = 414,807,635.53/20,573.97
  6. Step 6: Final answer
    x = 20,161.77

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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.