Home / 19,411.51-29,097.07-13,172.08

Finding the Fourth Proportional to 19,411.51, 29,097.07 and 13,172.08

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Solution

The fourth proportional to 19,411.51, 29,097.07 and 13,172.08 is: 19,744.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,411.51 : 29,097.07 = 13,172.08 : x
  2. Step 2: Convert to fraction form
    19,411.51/29,097.07 = 13,172.08/x
  3. Step 3: Cross multiply
    19,411.51x = 29,097.07 × 13,172.08
  4. Step 4: Simplify right side
    19,411.51x = 383,268,933.81
  5. Step 5: Solve for x
    x = 383,268,933.81/19,411.51
  6. Step 6: Final answer
    x = 19,744.42

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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.