Home / 19,547.21-26,984.45-13,097.96

Finding the Fourth Proportional to 19,547.21, 26,984.45 and 13,097.96

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Solution

The fourth proportional to 19,547.21, 26,984.45 and 13,097.96 is: 18,081.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,547.21 : 26,984.45 = 13,097.96 : x
  2. Step 2: Convert to fraction form
    19,547.21/26,984.45 = 13,097.96/x
  3. Step 3: Cross multiply
    19,547.21x = 26,984.45 × 13,097.96
  4. Step 4: Simplify right side
    19,547.21x = 353,441,046.31
  5. Step 5: Solve for x
    x = 353,441,046.31/19,547.21
  6. Step 6: Final answer
    x = 18,081.41

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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.