Home / 13,616.03-20,428.00-4,851.63

Finding the Fourth Proportional to 13,616.03, 20,428.00 and 4,851.63

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Solution

The fourth proportional to 13,616.03, 20,428.00 and 4,851.63 is: 7,278.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,616.03 : 20,428.00 = 4,851.63 : x
  2. Step 2: Convert to fraction form
    13,616.03/20,428.00 = 4,851.63/x
  3. Step 3: Cross multiply
    13,616.03x = 20,428.00 × 4,851.63
  4. Step 4: Simplify right side
    13,616.03x = 99,109,085.51
  5. Step 5: Solve for x
    x = 99,109,085.51/13,616.03
  6. Step 6: Final answer
    x = 7,278.85

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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.