Home / 19,398.51-29,070.43-8,842.59

Finding the Fourth Proportional to 19,398.51, 29,070.43 and 8,842.59

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Solution

The fourth proportional to 19,398.51, 29,070.43 and 8,842.59 is: 13,251.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,398.51 : 29,070.43 = 8,842.59 : x
  2. Step 2: Convert to fraction form
    19,398.51/29,070.43 = 8,842.59/x
  3. Step 3: Cross multiply
    19,398.51x = 29,070.43 × 8,842.59
  4. Step 4: Simplify right side
    19,398.51x = 257,057,871.51
  5. Step 5: Solve for x
    x = 257,057,871.51/19,398.51
  6. Step 6: Final answer
    x = 13,251.42

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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.