Home / 20,748.87-28,624.32-14,032.02

Finding the Fourth Proportional to 20,748.87, 28,624.32 and 14,032.02

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Solution

The fourth proportional to 20,748.87, 28,624.32 and 14,032.02 is: 19,358.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,748.87 : 28,624.32 = 14,032.02 : x
  2. Step 2: Convert to fraction form
    20,748.87/28,624.32 = 14,032.02/x
  3. Step 3: Cross multiply
    20,748.87x = 28,624.32 × 14,032.02
  4. Step 4: Simplify right side
    20,748.87x = 401,657,030.73
  5. Step 5: Solve for x
    x = 401,657,030.73/20,748.87
  6. Step 6: Final answer
    x = 19,358.02

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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.