Home / 18,555.60-25,577.64-14,061.36

Finding the Fourth Proportional to 18,555.60, 25,577.64 and 14,061.36

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Solution

The fourth proportional to 18,555.60, 25,577.64 and 14,061.36 is: 19,382.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,555.60 : 25,577.64 = 14,061.36 : x
  2. Step 2: Convert to fraction form
    18,555.60/25,577.64 = 14,061.36/x
  3. Step 3: Cross multiply
    18,555.60x = 25,577.64 × 14,061.36
  4. Step 4: Simplify right side
    18,555.60x = 359,656,403.99
  5. Step 5: Solve for x
    x = 359,656,403.99/18,555.60
  6. Step 6: Final answer
    x = 19,382.63

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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.