Home / 19,728.03-27,224.64-10,775.52

Finding the Fourth Proportional to 19,728.03, 27,224.64 and 10,775.52

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Solution

The fourth proportional to 19,728.03, 27,224.64 and 10,775.52 is: 14,870.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,728.03 : 27,224.64 = 10,775.52 : x
  2. Step 2: Convert to fraction form
    19,728.03/27,224.64 = 10,775.52/x
  3. Step 3: Cross multiply
    19,728.03x = 27,224.64 × 10,775.52
  4. Step 4: Simplify right side
    19,728.03x = 293,359,652.81
  5. Step 5: Solve for x
    x = 293,359,652.81/19,728.03
  6. Step 6: Final answer
    x = 14,870.19

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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.