Home / 18,504.76-25,539.42-14,555.80

Finding the Fourth Proportional to 18,504.76, 25,539.42 and 14,555.80

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Solution

The fourth proportional to 18,504.76, 25,539.42 and 14,555.80 is: 20,089.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,504.76 : 25,539.42 = 14,555.80 : x
  2. Step 2: Convert to fraction form
    18,504.76/25,539.42 = 14,555.80/x
  3. Step 3: Cross multiply
    18,504.76x = 25,539.42 × 14,555.80
  4. Step 4: Simplify right side
    18,504.76x = 371,746,689.64
  5. Step 5: Solve for x
    x = 371,746,689.64/18,504.76
  6. Step 6: Final answer
    x = 20,089.25

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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.