Home / 19,765.49-27,277.03-10,813.00

Finding the Fourth Proportional to 19,765.49, 27,277.03 and 10,813.00

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Solution

The fourth proportional to 19,765.49, 27,277.03 and 10,813.00 is: 14,922.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,765.49 : 27,277.03 = 10,813.00 : x
  2. Step 2: Convert to fraction form
    19,765.49/27,277.03 = 10,813.00/x
  3. Step 3: Cross multiply
    19,765.49x = 27,277.03 × 10,813.00
  4. Step 4: Simplify right side
    19,765.49x = 294,946,430.16
  5. Step 5: Solve for x
    x = 294,946,430.16/19,765.49
  6. Step 6: Final answer
    x = 14,922.29

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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.