Home / 13,068.12-19,503.42-11,806.99

Finding the Fourth Proportional to 13,068.12, 19,503.42 and 11,806.99

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Solution

The fourth proportional to 13,068.12, 19,503.42 and 11,806.99 is: 17,621.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,068.12 : 19,503.42 = 11,806.99 : x
  2. Step 2: Convert to fraction form
    13,068.12/19,503.42 = 11,806.99/x
  3. Step 3: Cross multiply
    13,068.12x = 19,503.42 × 11,806.99
  4. Step 4: Simplify right side
    13,068.12x = 230,276,684.91
  5. Step 5: Solve for x
    x = 230,276,684.91/13,068.12
  6. Step 6: Final answer
    x = 17,621.26

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.