Home / 19,531.35-26,952.93-10,578.78

Finding the Fourth Proportional to 19,531.35, 26,952.93 and 10,578.78

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Solution

The fourth proportional to 19,531.35, 26,952.93 and 10,578.78 is: 14,598.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,531.35 : 26,952.93 = 10,578.78 : x
  2. Step 2: Convert to fraction form
    19,531.35/26,952.93 = 10,578.78/x
  3. Step 3: Cross multiply
    19,531.35x = 26,952.93 × 10,578.78
  4. Step 4: Simplify right side
    19,531.35x = 285,129,116.83
  5. Step 5: Solve for x
    x = 285,129,116.83/19,531.35
  6. Step 6: Final answer
    x = 14,598.54

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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.