Home / 19,081.01-26,307.59-13,636.58

Finding the Fourth Proportional to 19,081.01, 26,307.59 and 13,636.58

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Solution

The fourth proportional to 19,081.01, 26,307.59 and 13,636.58 is: 18,801.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,081.01 : 26,307.59 = 13,636.58 : x
  2. Step 2: Convert to fraction form
    19,081.01/26,307.59 = 13,636.58/x
  3. Step 3: Cross multiply
    19,081.01x = 26,307.59 × 13,636.58
  4. Step 4: Simplify right side
    19,081.01x = 358,745,555.64
  5. Step 5: Solve for x
    x = 358,745,555.64/19,081.01
  6. Step 6: Final answer
    x = 18,801.19

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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.