Home / 18,539.81-25,588.50-14,498.63

Finding the Fourth Proportional to 18,539.81, 25,588.50 and 14,498.63

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Solution

The fourth proportional to 18,539.81, 25,588.50 and 14,498.63 is: 20,010.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,539.81 : 25,588.50 = 14,498.63 : x
  2. Step 2: Convert to fraction form
    18,539.81/25,588.50 = 14,498.63/x
  3. Step 3: Cross multiply
    18,539.81x = 25,588.50 × 14,498.63
  4. Step 4: Simplify right side
    18,539.81x = 370,998,193.76
  5. Step 5: Solve for x
    x = 370,998,193.76/18,539.81
  6. Step 6: Final answer
    x = 20,010.90

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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.