Home / 19,765.08-27,277.02-11,384.28

Finding the Fourth Proportional to 19,765.08, 27,277.02 and 11,384.28

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Solution

The fourth proportional to 19,765.08, 27,277.02 and 11,384.28 is: 15,711.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,765.08 : 27,277.02 = 11,384.28 : x
  2. Step 2: Convert to fraction form
    19,765.08/27,277.02 = 11,384.28/x
  3. Step 3: Cross multiply
    19,765.08x = 27,277.02 × 11,384.28
  4. Step 4: Simplify right side
    19,765.08x = 310,529,233.25
  5. Step 5: Solve for x
    x = 310,529,233.25/19,765.08
  6. Step 6: Final answer
    x = 15,711.00

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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.