Home / 13,075.66-19,684.63-11,913.13

Finding the Fourth Proportional to 13,075.66, 19,684.63 and 11,913.13

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Solution

The fourth proportional to 13,075.66, 19,684.63 and 11,913.13 is: 17,934.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,075.66 : 19,684.63 = 11,913.13 : x
  2. Step 2: Convert to fraction form
    13,075.66/19,684.63 = 11,913.13/x
  3. Step 3: Cross multiply
    13,075.66x = 19,684.63 × 11,913.13
  4. Step 4: Simplify right side
    13,075.66x = 234,505,556.19
  5. Step 5: Solve for x
    x = 234,505,556.19/13,075.66
  6. Step 6: Final answer
    x = 17,934.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.