Home / 13,146.36-19,727.76-7,307.04

Finding the Fourth Proportional to 13,146.36, 19,727.76 and 7,307.04

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Solution

The fourth proportional to 13,146.36, 19,727.76 and 7,307.04 is: 10,965.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,146.36 : 19,727.76 = 7,307.04 : x
  2. Step 2: Convert to fraction form
    13,146.36/19,727.76 = 7,307.04/x
  3. Step 3: Cross multiply
    13,146.36x = 19,727.76 × 7,307.04
  4. Step 4: Simplify right side
    13,146.36x = 144,151,531.43
  5. Step 5: Solve for x
    x = 144,151,531.43/13,146.36
  6. Step 6: Final answer
    x = 10,965.13

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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.