Home / 19,081.48-26,320.98-13,788.04

Finding the Fourth Proportional to 19,081.48, 26,320.98 and 13,788.04

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Solution

The fourth proportional to 19,081.48, 26,320.98 and 13,788.04 is: 19,019.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,081.48 : 26,320.98 = 13,788.04 : x
  2. Step 2: Convert to fraction form
    19,081.48/26,320.98 = 13,788.04/x
  3. Step 3: Cross multiply
    19,081.48x = 26,320.98 × 13,788.04
  4. Step 4: Simplify right side
    19,081.48x = 362,914,725.08
  5. Step 5: Solve for x
    x = 362,914,725.08/19,081.48
  6. Step 6: Final answer
    x = 19,019.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.