Home / 13,127.06-19,690.61-3,266.35

Finding the Fourth Proportional to 13,127.06, 19,690.61 and 3,266.35

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Solution

The fourth proportional to 13,127.06, 19,690.61 and 3,266.35 is: 4,899.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,127.06 : 19,690.61 = 3,266.35 : x
  2. Step 2: Convert to fraction form
    13,127.06/19,690.61 = 3,266.35/x
  3. Step 3: Cross multiply
    13,127.06x = 19,690.61 × 3,266.35
  4. Step 4: Simplify right side
    13,127.06x = 64,316,423.97
  5. Step 5: Solve for x
    x = 64,316,423.97/13,127.06
  6. Step 6: Final answer
    x = 4,899.53

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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.