Home / 13,302.57-19,954.44-4,980.42

Finding the Fourth Proportional to 13,302.57, 19,954.44 and 4,980.42

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Solution

The fourth proportional to 13,302.57, 19,954.44 and 4,980.42 is: 7,470.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.57 : 19,954.44 = 4,980.42 : x
  2. Step 2: Convert to fraction form
    13,302.57/19,954.44 = 4,980.42/x
  3. Step 3: Cross multiply
    13,302.57x = 19,954.44 × 4,980.42
  4. Step 4: Simplify right side
    13,302.57x = 99,381,492.06
  5. Step 5: Solve for x
    x = 99,381,492.06/13,302.57
  6. Step 6: Final answer
    x = 7,470.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.