Home / 19,552.89-26,975.91-12,842.15

Finding the Fourth Proportional to 19,552.89, 26,975.91 and 12,842.15

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Solution

The fourth proportional to 19,552.89, 26,975.91 and 12,842.15 is: 17,717.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,552.89 : 26,975.91 = 12,842.15 : x
  2. Step 2: Convert to fraction form
    19,552.89/26,975.91 = 12,842.15/x
  3. Step 3: Cross multiply
    19,552.89x = 26,975.91 × 12,842.15
  4. Step 4: Simplify right side
    19,552.89x = 346,428,682.61
  5. Step 5: Solve for x
    x = 346,428,682.61/19,552.89
  6. Step 6: Final answer
    x = 17,717.52

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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.