Home / 19,764.98-27,276.08-10,813.07

Finding the Fourth Proportional to 19,764.98, 27,276.08 and 10,813.07

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Solution

The fourth proportional to 19,764.98, 27,276.08 and 10,813.07 is: 14,922.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,764.98 : 27,276.08 = 10,813.07 : x
  2. Step 2: Convert to fraction form
    19,764.98/27,276.08 = 10,813.07/x
  3. Step 3: Cross multiply
    19,764.98x = 27,276.08 × 10,813.07
  4. Step 4: Simplify right side
    19,764.98x = 294,938,108.30
  5. Step 5: Solve for x
    x = 294,938,108.30/19,764.98
  6. Step 6: Final answer
    x = 14,922.26

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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.